Home / 121,338,045.90-182,007,068.85-53,313,597.90

Finding the Fourth Proportional to 121,338,045.90, 182,007,068.85 and 53,313,597.90

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Solution

The fourth proportional to 121,338,045.90, 182,007,068.85 and 53,313,597.90 is: 79,970,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,338,045.90 : 182,007,068.85 = 53,313,597.90 : x
  2. Step 2: Convert to fraction form
    121,338,045.90/182,007,068.85 = 53,313,597.90/x
  3. Step 3: Cross multiply
    121,338,045.90x = 182,007,068.85 × 53,313,597.90
  4. Step 4: Simplify right side
    121,338,045.90x = 9,703,451,683,626,514
  5. Step 5: Solve for x
    x = 9,703,451,683,626,514/121,338,045.90
  6. Step 6: Final answer
    x = 79,970,396.85

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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.