Home / 243,512,539.88-336,047,753.64-132,003,035.72

Finding the Fourth Proportional to 243,512,539.88, 336,047,753.64 and 132,003,035.72

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Solution

The fourth proportional to 243,512,539.88, 336,047,753.64 and 132,003,035.72 is: 182,164,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,512,539.88 : 336,047,753.64 = 132,003,035.72 : x
  2. Step 2: Convert to fraction form
    243,512,539.88/336,047,753.64 = 132,003,035.72/x
  3. Step 3: Cross multiply
    243,512,539.88x = 336,047,753.64 × 132,003,035.72
  4. Step 4: Simplify right side
    243,512,539.88x = 44,359,323,627,366,680
  5. Step 5: Solve for x
    x = 44,359,323,627,366,680/243,512,539.88
  6. Step 6: Final answer
    x = 182,164,432.47

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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.