Home / 139,758,017.13-209,614,286.45-65,981,654.43

Finding the Fourth Proportional to 139,758,017.13, 209,614,286.45 and 65,981,654.43

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Solution

The fourth proportional to 139,758,017.13, 209,614,286.45 and 65,981,654.43 is: 98,961,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,758,017.13 : 209,614,286.45 = 65,981,654.43 : x
  2. Step 2: Convert to fraction form
    139,758,017.13/209,614,286.45 = 65,981,654.43/x
  3. Step 3: Cross multiply
    139,758,017.13x = 209,614,286.45 × 65,981,654.43
  4. Step 4: Simplify right side
    139,758,017.13x = 13,830,697,411,805,022
  5. Step 5: Solve for x
    x = 13,830,697,411,805,022/139,758,017.13
  6. Step 6: Final answer
    x = 98,961,746.14

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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.