Home / 87,413,876.34-120,627,987.72-48,254,812.62

Finding the Fourth Proportional to 87,413,876.34, 120,627,987.72 and 48,254,812.62

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Solution

The fourth proportional to 87,413,876.34, 120,627,987.72 and 48,254,812.62 is: 66,589,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,413,876.34 : 120,627,987.72 = 48,254,812.62 : x
  2. Step 2: Convert to fraction form
    87,413,876.34/120,627,987.72 = 48,254,812.62/x
  3. Step 3: Cross multiply
    87,413,876.34x = 120,627,987.72 × 48,254,812.62
  4. Step 4: Simplify right side
    87,413,876.34x = 5,820,880,944,156,261
  5. Step 5: Solve for x
    x = 5,820,880,944,156,261/87,413,876.34
  6. Step 6: Final answer
    x = 66,589,896.11

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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.