Home / 80,761,411.55-121,142,117.33-48,512,784.35

Finding the Fourth Proportional to 80,761,411.55, 121,142,117.33 and 48,512,784.35

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Solution

The fourth proportional to 80,761,411.55, 121,142,117.33 and 48,512,784.35 is: 72,769,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761,411.55 : 121,142,117.33 = 48,512,784.35 : x
  2. Step 2: Convert to fraction form
    80,761,411.55/121,142,117.33 = 48,512,784.35/x
  3. Step 3: Cross multiply
    80,761,411.55x = 121,142,117.33 × 48,512,784.35
  4. Step 4: Simplify right side
    80,761,411.55x = 5,876,941,413,490,124
  5. Step 5: Solve for x
    x = 5,876,941,413,490,124/80,761,411.55
  6. Step 6: Final answer
    x = 72,769,176.53

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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.