Home / 129,487,701.60-194,206,669.20-38,614,255.20

Finding the Fourth Proportional to 129,487,701.60, 194,206,669.20 and 38,614,255.20

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Solution

The fourth proportional to 129,487,701.60, 194,206,669.20 and 38,614,255.20 is: 57,913,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,487,701.60 : 194,206,669.20 = 38,614,255.20 : x
  2. Step 2: Convert to fraction form
    129,487,701.60/194,206,669.20 = 38,614,255.20/x
  3. Step 3: Cross multiply
    129,487,701.60x = 194,206,669.20 × 38,614,255.20
  4. Step 4: Simplify right side
    129,487,701.60x = 7,499,145,886,030,780
  5. Step 5: Solve for x
    x = 7,499,145,886,030,780/129,487,701.60
  6. Step 6: Final answer
    x = 57,913,962.43

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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.