Home / 500,144,111.25-750,148,061.86-131,648,205.88

Finding the Fourth Proportional to 500,144,111.25, 750,148,061.86 and 131,648,205.88

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Solution

The fourth proportional to 500,144,111.25, 750,148,061.86 and 131,648,205.88 is: 197,454,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,144,111.25 : 750,148,061.86 = 131,648,205.88 : x
  2. Step 2: Convert to fraction form
    500,144,111.25/750,148,061.86 = 131,648,205.88/x
  3. Step 3: Cross multiply
    500,144,111.25x = 750,148,061.86 × 131,648,205.88
  4. Step 4: Simplify right side
    500,144,111.25x = 98,755,646,488,228,256
  5. Step 5: Solve for x
    x = 98,755,646,488,228,256/500,144,111.25
  6. Step 6: Final answer
    x = 197,454,382.18

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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.