Home / 100,998,711.88-139,378,282.07-56,344,684.12

Finding the Fourth Proportional to 100,998,711.88, 139,378,282.07 and 56,344,684.12

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Solution

The fourth proportional to 100,998,711.88, 139,378,282.07 and 56,344,684.12 is: 77,755,697.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998,711.88 : 139,378,282.07 = 56,344,684.12 : x
  2. Step 2: Convert to fraction form
    100,998,711.88/139,378,282.07 = 56,344,684.12/x
  3. Step 3: Cross multiply
    100,998,711.88x = 139,378,282.07 × 56,344,684.12
  4. Step 4: Simplify right side
    100,998,711.88x = 7,853,225,275,792,240
  5. Step 5: Solve for x
    x = 7,853,225,275,792,240/100,998,711.88
  6. Step 6: Final answer
    x = 77,755,697.37

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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.