Home / 242,607,711.78-363,541,262.40-144,045,329.22

Finding the Fourth Proportional to 242,607,711.78, 363,541,262.40 and 144,045,329.22

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Solution

The fourth proportional to 242,607,711.78, 363,541,262.40 and 144,045,329.22 is: 215,848,129.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607,711.78 : 363,541,262.40 = 144,045,329.22 : x
  2. Step 2: Convert to fraction form
    242,607,711.78/363,541,262.40 = 144,045,329.22/x
  3. Step 3: Cross multiply
    242,607,711.78x = 363,541,262.40 × 144,045,329.22
  4. Step 4: Simplify right side
    242,607,711.78x = 52,366,420,827,462,400
  5. Step 5: Solve for x
    x = 52,366,420,827,462,400/242,607,711.78
  6. Step 6: Final answer
    x = 215,848,129.65

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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.