Home / 131,726,024.07-181,781,734.92-72,992,492.76

Finding the Fourth Proportional to 131,726,024.07, 181,781,734.92 and 72,992,492.76

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Solution

The fourth proportional to 131,726,024.07, 181,781,734.92 and 72,992,492.76 is: 100,729,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726,024.07 : 181,781,734.92 = 72,992,492.76 : x
  2. Step 2: Convert to fraction form
    131,726,024.07/181,781,734.92 = 72,992,492.76/x
  3. Step 3: Cross multiply
    131,726,024.07x = 181,781,734.92 × 72,992,492.76
  4. Step 4: Simplify right side
    131,726,024.07x = 13,268,701,970,048,340
  5. Step 5: Solve for x
    x = 13,268,701,970,048,340/131,726,024.07
  6. Step 6: Final answer
    x = 100,729,541.21

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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.