Home / 140,656,614.95-194,103,559.52-77,932,484.13

Finding the Fourth Proportional to 140,656,614.95, 194,103,559.52 and 77,932,484.13

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Solution

The fourth proportional to 140,656,614.95, 194,103,559.52 and 77,932,484.13 is: 107,545,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,656,614.95 : 194,103,559.52 = 77,932,484.13 : x
  2. Step 2: Convert to fraction form
    140,656,614.95/194,103,559.52 = 77,932,484.13/x
  3. Step 3: Cross multiply
    140,656,614.95x = 194,103,559.52 × 77,932,484.13
  4. Step 4: Simplify right side
    140,656,614.95x = 15,126,972,571,868,910
  5. Step 5: Solve for x
    x = 15,126,972,571,868,910/140,656,614.95
  6. Step 6: Final answer
    x = 107,545,404.65

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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.