Home / 87,546,203.64-120,814,236-47,853,787.72

Finding the Fourth Proportional to 87,546,203.64, 120,814,236 and 47,853,787.72

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Solution

The fourth proportional to 87,546,203.64, 120,814,236 and 47,853,787.72 is: 66,038,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,546,203.64 : 120,814,236 = 47,853,787.72 : x
  2. Step 2: Convert to fraction form
    87,546,203.64/120,814,236 = 47,853,787.72/x
  3. Step 3: Cross multiply
    87,546,203.64x = 120,814,236 × 47,853,787.72
  4. Step 4: Simplify right side
    87,546,203.64x = 5,781,418,803,097,982
  5. Step 5: Solve for x
    x = 5,781,418,803,097,982/87,546,203.64
  6. Step 6: Final answer
    x = 66,038,486.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.