Home / 100,998,707.34-139,378,275.82-56,344,679.62

Finding the Fourth Proportional to 100,998,707.34, 139,378,275.82 and 56,344,679.62

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Solution

The fourth proportional to 100,998,707.34, 139,378,275.82 and 56,344,679.62 is: 77,755,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998,707.34 : 139,378,275.82 = 56,344,679.62 : x
  2. Step 2: Convert to fraction form
    100,998,707.34/139,378,275.82 = 56,344,679.62/x
  3. Step 3: Cross multiply
    100,998,707.34x = 139,378,275.82 × 56,344,679.62
  4. Step 4: Simplify right side
    100,998,707.34x = 7,853,224,296,787,877
  5. Step 5: Solve for x
    x = 7,853,224,296,787,877/100,998,707.34
  6. Step 6: Final answer
    x = 77,755,691.17

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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.