Home / 129,235,637.70-193,853,456.55-92,955,932.10

Finding the Fourth Proportional to 129,235,637.70, 193,853,456.55 and 92,955,932.10

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Solution

The fourth proportional to 129,235,637.70, 193,853,456.55 and 92,955,932.10 is: 139,433,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,235,637.70 : 193,853,456.55 = 92,955,932.10 : x
  2. Step 2: Convert to fraction form
    129,235,637.70/193,853,456.55 = 92,955,932.10/x
  3. Step 3: Cross multiply
    129,235,637.70x = 193,853,456.55 × 92,955,932.10
  4. Step 4: Simplify right side
    129,235,637.70x = 18,019,828,744,412,100
  5. Step 5: Solve for x
    x = 18,019,828,744,412,100/129,235,637.70
  6. Step 6: Final answer
    x = 139,433,898.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.