Home / 131,083,626.17-180,895,787.73-71,545,470.82

Finding the Fourth Proportional to 131,083,626.17, 180,895,787.73 and 71,545,470.82

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Solution

The fourth proportional to 131,083,626.17, 180,895,787.73 and 71,545,470.82 is: 98,732,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,083,626.17 : 180,895,787.73 = 71,545,470.82 : x
  2. Step 2: Convert to fraction form
    131,083,626.17/180,895,787.73 = 71,545,470.82/x
  3. Step 3: Cross multiply
    131,083,626.17x = 180,895,787.73 × 71,545,470.82
  4. Step 4: Simplify right side
    131,083,626.17x = 12,942,274,302,045,388
  5. Step 5: Solve for x
    x = 12,942,274,302,045,388/131,083,626.17
  6. Step 6: Final answer
    x = 98,732,959.10

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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.