Home / 129,540,688.62-194,282,370.45-37,404,427.20

Finding the Fourth Proportional to 129,540,688.62, 194,282,370.45 and 37,404,427.20

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Solution

The fourth proportional to 129,540,688.62, 194,282,370.45 and 37,404,427.20 is: 56,098,364.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,540,688.62 : 194,282,370.45 = 37,404,427.20 : x
  2. Step 2: Convert to fraction form
    129,540,688.62/194,282,370.45 = 37,404,427.20/x
  3. Step 3: Cross multiply
    129,540,688.62x = 194,282,370.45 × 37,404,427.20
  4. Step 4: Simplify right side
    129,540,688.62x = 7,267,020,781,740,456
  5. Step 5: Solve for x
    x = 7,267,020,781,740,456/129,540,688.62
  6. Step 6: Final answer
    x = 56,098,364.61

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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.