Home / 218,981,484.15-302,196,332.65-124,900,396.55

Finding the Fourth Proportional to 218,981,484.15, 302,196,332.65 and 124,900,396.55

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Solution

The fourth proportional to 218,981,484.15, 302,196,332.65 and 124,900,396.55 is: 172,363,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,981,484.15 : 302,196,332.65 = 124,900,396.55 : x
  2. Step 2: Convert to fraction form
    218,981,484.15/302,196,332.65 = 124,900,396.55/x
  3. Step 3: Cross multiply
    218,981,484.15x = 302,196,332.65 × 124,900,396.55
  4. Step 4: Simplify right side
    218,981,484.15x = 37,744,441,785,622,280
  5. Step 5: Solve for x
    x = 37,744,441,785,622,280/218,981,484.15
  6. Step 6: Final answer
    x = 172,363,622.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.