Home / 96,813,868.80-145,220,803.20-84,869,932.80

Finding the Fourth Proportional to 96,813,868.80, 145,220,803.20 and 84,869,932.80

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Solution

The fourth proportional to 96,813,868.80, 145,220,803.20 and 84,869,932.80 is: 127,304,899.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,813,868.80 : 145,220,803.20 = 84,869,932.80 : x
  2. Step 2: Convert to fraction form
    96,813,868.80/145,220,803.20 = 84,869,932.80/x
  3. Step 3: Cross multiply
    96,813,868.80x = 145,220,803.20 × 84,869,932.80
  4. Step 4: Simplify right side
    96,813,868.80x = 12,324,879,808,746,024
  5. Step 5: Solve for x
    x = 12,324,879,808,746,024/96,813,868.80
  6. Step 6: Final answer
    x = 127,304,899.20

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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.