Home / 75,231,630.30-112,847,445.45-54,718,007.70

Finding the Fourth Proportional to 75,231,630.30, 112,847,445.45 and 54,718,007.70

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Solution

The fourth proportional to 75,231,630.30, 112,847,445.45 and 54,718,007.70 is: 82,077,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231,630.30 : 112,847,445.45 = 54,718,007.70 : x
  2. Step 2: Convert to fraction form
    75,231,630.30/112,847,445.45 = 54,718,007.70/x
  3. Step 3: Cross multiply
    75,231,630.30x = 112,847,445.45 × 54,718,007.70
  4. Step 4: Simplify right side
    75,231,630.30x = 6,174,787,389,058,430
  5. Step 5: Solve for x
    x = 6,174,787,389,058,430/75,231,630.30
  6. Step 6: Final answer
    x = 82,077,011.55

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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.