Home / 96,813,908.80-145,220,863.20-84,869,972.80

Finding the Fourth Proportional to 96,813,908.80, 145,220,863.20 and 84,869,972.80

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Solution

The fourth proportional to 96,813,908.80, 145,220,863.20 and 84,869,972.80 is: 127,304,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,813,908.80 : 145,220,863.20 = 84,869,972.80 : x
  2. Step 2: Convert to fraction form
    96,813,908.80/145,220,863.20 = 84,869,972.80/x
  3. Step 3: Cross multiply
    96,813,908.80x = 145,220,863.20 × 84,869,972.80
  4. Step 4: Simplify right side
    96,813,908.80x = 12,324,890,709,776,520
  5. Step 5: Solve for x
    x = 12,324,890,709,776,520/96,813,908.80
  6. Step 6: Final answer
    x = 127,304,959.20

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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.