Home / 100,998,726.87-139,378,302.93-56,344,699.05

Finding the Fourth Proportional to 100,998,726.87, 139,378,302.93 and 56,344,699.05

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Solution

The fourth proportional to 100,998,726.87, 139,378,302.93 and 56,344,699.05 is: 77,755,718.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,998,726.87 : 139,378,302.93 = 56,344,699.05 : x
  2. Step 2: Convert to fraction form
    100,998,726.87/139,378,302.93 = 56,344,699.05/x
  3. Step 3: Cross multiply
    100,998,726.87x = 139,378,302.93 × 56,344,699.05
  4. Step 4: Simplify right side
    100,998,726.87x = 7,853,228,532,690,583
  5. Step 5: Solve for x
    x = 7,853,228,532,690,583/100,998,726.87
  6. Step 6: Final answer
    x = 77,755,718.08

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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.