Home / 87,038,123.40-130,569,626.70-29,533,048.20

Finding the Fourth Proportional to 87,038,123.40, 130,569,626.70 and 29,533,048.20

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Solution

The fourth proportional to 87,038,123.40, 130,569,626.70 and 29,533,048.20 is: 44,303,793.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,038,123.40 : 130,569,626.70 = 29,533,048.20 : x
  2. Step 2: Convert to fraction form
    87,038,123.40/130,569,626.70 = 29,533,048.20/x
  3. Step 3: Cross multiply
    87,038,123.40x = 130,569,626.70 × 29,533,048.20
  4. Step 4: Simplify right side
    87,038,123.40x = 3,856,119,078,787,107
  5. Step 5: Solve for x
    x = 3,856,119,078,787,107/87,038,123.40
  6. Step 6: Final answer
    x = 44,303,793.88

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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.