Home / 86,920,128,025.70-130,380,192,038.55-60,472,222,643.30

Finding the Fourth Proportional to 86,920,128,025.70, 130,380,192,038.55 and 60,472,222,643.30

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Solution

The fourth proportional to 86,920,128,025.70, 130,380,192,038.55 and 60,472,222,643.30 is: 90,708,333,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,920,128,025.70 : 130,380,192,038.55 = 60,472,222,643.30 : x
  2. Step 2: Convert to fraction form
    86,920,128,025.70/130,380,192,038.55 = 60,472,222,643.30/x
  3. Step 3: Cross multiply
    86,920,128,025.70x = 130,380,192,038.55 × 60,472,222,643.30
  4. Step 4: Simplify right side
    86,920,128,025.70x = 7,884,380,001,231,406,366,720
  5. Step 5: Solve for x
    x = 7,884,380,001,231,406,366,720/86,920,128,025.70
  6. Step 6: Final answer
    x = 90,708,333,964.95

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Double scale
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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.