Home / 101,167,501.28-139,611,572.15-54,757,755.20

Finding the Fourth Proportional to 101,167,501.28, 139,611,572.15 and 54,757,755.20

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Solution

The fourth proportional to 101,167,501.28, 139,611,572.15 and 54,757,755.20 is: 75,565,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,167,501.28 : 139,611,572.15 = 54,757,755.20 : x
  2. Step 2: Convert to fraction form
    101,167,501.28/139,611,572.15 = 54,757,755.20/x
  3. Step 3: Cross multiply
    101,167,501.28x = 139,611,572.15 × 54,757,755.20
  4. Step 4: Simplify right side
    101,167,501.28x = 7,644,816,291,370,650
  5. Step 5: Solve for x
    x = 7,644,816,291,370,650/101,167,501.28
  6. Step 6: Final answer
    x = 75,565,929.72

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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.