Home / 117,521,792.80-176,282,689.20-87,288,704.80

Finding the Fourth Proportional to 117,521,792.80, 176,282,689.20 and 87,288,704.80

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Solution

The fourth proportional to 117,521,792.80, 176,282,689.20 and 87,288,704.80 is: 130,933,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,521,792.80 : 176,282,689.20 = 87,288,704.80 : x
  2. Step 2: Convert to fraction form
    117,521,792.80/176,282,689.20 = 87,288,704.80/x
  3. Step 3: Cross multiply
    117,521,792.80x = 176,282,689.20 × 87,288,704.80
  4. Step 4: Simplify right side
    117,521,792.80x = 15,387,487,618,928,946
  5. Step 5: Solve for x
    x = 15,387,487,618,928,946/117,521,792.80
  6. Step 6: Final answer
    x = 130,933,057.20

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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.