Home / 86,920,128,045.95-130,380,192,068.93-71,216,684,225.15

Finding the Fourth Proportional to 86,920,128,045.95, 130,380,192,068.93 and 71,216,684,225.15

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Solution

The fourth proportional to 86,920,128,045.95, 130,380,192,068.93 and 71,216,684,225.15 is: 106,825,026,337.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,045.95 : 130,380,192,068.93 = 71,216,684,225.15 : x
  2. Step 2: Convert to fraction form
    86,920,128,045.95/130,380,192,068.93 = 71,216,684,225.15/x
  3. Step 3: Cross multiply
    86,920,128,045.95x = 130,380,192,068.93 × 71,216,684,225.15
  4. Step 4: Simplify right side
    86,920,128,045.95x = 9,285,244,967,787,393,187,840
  5. Step 5: Solve for x
    x = 9,285,244,967,787,393,187,840/86,920,128,045.95
  6. Step 6: Final answer
    x = 106,825,026,337.73

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.