Home / 129,540,689.12-194,282,371.20-37,404,427.70

Finding the Fourth Proportional to 129,540,689.12, 194,282,371.20 and 37,404,427.70

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Solution

The fourth proportional to 129,540,689.12, 194,282,371.20 and 37,404,427.70 is: 56,098,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,540,689.12 : 194,282,371.20 = 37,404,427.70 : x
  2. Step 2: Convert to fraction form
    129,540,689.12/194,282,371.20 = 37,404,427.70/x
  3. Step 3: Cross multiply
    129,540,689.12x = 194,282,371.20 × 37,404,427.70
  4. Step 4: Simplify right side
    129,540,689.12x = 7,267,020,906,934,962
  5. Step 5: Solve for x
    x = 7,267,020,906,934,962/129,540,689.12
  6. Step 6: Final answer
    x = 56,098,365.36

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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.