Home / 538,087,934.40-807,131,901.60-149,970,667.20

Finding the Fourth Proportional to 538,087,934.40, 807,131,901.60 and 149,970,667.20

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Solution

The fourth proportional to 538,087,934.40, 807,131,901.60 and 149,970,667.20 is: 224,956,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,087,934.40 : 807,131,901.60 = 149,970,667.20 : x
  2. Step 2: Convert to fraction form
    538,087,934.40/807,131,901.60 = 149,970,667.20/x
  3. Step 3: Cross multiply
    538,087,934.40x = 807,131,901.60 × 149,970,667.20
  4. Step 4: Simplify right side
    538,087,934.40x = 121,046,109,801,356,736
  5. Step 5: Solve for x
    x = 121,046,109,801,356,736/538,087,934.40
  6. Step 6: Final answer
    x = 224,956,000.80

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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.