Home / 130,967,984.70-196,418,468.57-38,830,177.71

Finding the Fourth Proportional to 130,967,984.70, 196,418,468.57 and 38,830,177.71

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Solution

The fourth proportional to 130,967,984.70, 196,418,468.57 and 38,830,177.71 is: 58,235,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,967,984.70 : 196,418,468.57 = 38,830,177.71 : x
  2. Step 2: Convert to fraction form
    130,967,984.70/196,418,468.57 = 38,830,177.71/x
  3. Step 3: Cross multiply
    130,967,984.70x = 196,418,468.57 × 38,830,177.71
  4. Step 4: Simplify right side
    130,967,984.70x = 7,626,964,039,904,999
  5. Step 5: Solve for x
    x = 7,626,964,039,904,999/130,967,984.70
  6. Step 6: Final answer
    x = 58,235,331.77

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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.