Home / 96,321,811.80-144,718,647.30-72,433,939.80

Finding the Fourth Proportional to 96,321,811.80, 144,718,647.30 and 72,433,939.80

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Solution

The fourth proportional to 96,321,811.80, 144,718,647.30 and 72,433,939.80 is: 108,828,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321,811.80 : 144,718,647.30 = 72,433,939.80 : x
  2. Step 2: Convert to fraction form
    96,321,811.80/144,718,647.30 = 72,433,939.80/x
  3. Step 3: Cross multiply
    96,321,811.80x = 144,718,647.30 × 72,433,939.80
  4. Step 4: Simplify right side
    96,321,811.80x = 10,482,541,786,465,632
  5. Step 5: Solve for x
    x = 10,482,541,786,465,632/96,321,811.80
  6. Step 6: Final answer
    x = 108,828,328.61

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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.