Home / 500,144,014.77-750,147,917.13-131,648,109.69

Finding the Fourth Proportional to 500,144,014.77, 750,147,917.13 and 131,648,109.69

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Solution

The fourth proportional to 500,144,014.77, 750,147,917.13 and 131,648,109.69 is: 197,454,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,144,014.77 : 750,147,917.13 = 131,648,109.69 : x
  2. Step 2: Convert to fraction form
    500,144,014.77/750,147,917.13 = 131,648,109.69/x
  3. Step 3: Cross multiply
    500,144,014.77x = 750,147,917.13 × 131,648,109.69
  4. Step 4: Simplify right side
    500,144,014.77x = 98,755,555,278,055,264
  5. Step 5: Solve for x
    x = 98,755,555,278,055,264/500,144,014.77
  6. Step 6: Final answer
    x = 197,454,237.90

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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.