Home / 86,920,128,045.45-130,380,192,068.18-71,216,684,224.65

Finding the Fourth Proportional to 86,920,128,045.45, 130,380,192,068.18 and 71,216,684,224.65

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Solution

The fourth proportional to 86,920,128,045.45, 130,380,192,068.18 and 71,216,684,224.65 is: 106,825,026,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,045.45 : 130,380,192,068.18 = 71,216,684,224.65 : x
  2. Step 2: Convert to fraction form
    86,920,128,045.45/130,380,192,068.18 = 71,216,684,224.65/x
  3. Step 3: Cross multiply
    86,920,128,045.45x = 130,380,192,068.18 × 71,216,684,224.65
  4. Step 4: Simplify right side
    86,920,128,045.45x = 9,285,244,967,668,790,853,632
  5. Step 5: Solve for x
    x = 9,285,244,967,668,790,853,632/86,920,128,045.45
  6. Step 6: Final answer
    x = 106,825,026,336.98

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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.