Home / 96,321,855.80-144,718,713.30-72,433,983.80

Finding the Fourth Proportional to 96,321,855.80, 144,718,713.30 and 72,433,983.80

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Solution

The fourth proportional to 96,321,855.80, 144,718,713.30 and 72,433,983.80 is: 108,828,394.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321,855.80 : 144,718,713.30 = 72,433,983.80 : x
  2. Step 2: Convert to fraction form
    96,321,855.80/144,718,713.30 = 72,433,983.80/x
  3. Step 3: Cross multiply
    96,321,855.80x = 144,718,713.30 × 72,433,983.80
  4. Step 4: Simplify right side
    96,321,855.80x = 10,482,552,934,729,044
  5. Step 5: Solve for x
    x = 10,482,552,934,729,044/96,321,855.80
  6. Step 6: Final answer
    x = 108,828,394.63

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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.