Home / 87,376,585.80-131,112,117.90-38,861,927.40

Finding the Fourth Proportional to 87,376,585.80, 131,112,117.90 and 38,861,927.40

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Solution

The fourth proportional to 87,376,585.80, 131,112,117.90 and 38,861,927.40 is: 58,313,901.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,376,585.80 : 131,112,117.90 = 38,861,927.40 : x
  2. Step 2: Convert to fraction form
    87,376,585.80/131,112,117.90 = 38,861,927.40/x
  3. Step 3: Cross multiply
    87,376,585.80x = 131,112,117.90 × 38,861,927.40
  4. Step 4: Simplify right side
    87,376,585.80x = 5,095,269,607,090,040
  5. Step 5: Solve for x
    x = 5,095,269,607,090,040/87,376,585.80
  6. Step 6: Final answer
    x = 58,313,901.38

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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.