Home / 261,965,551.76-392,863,299.24-87,041,608.64

Finding the Fourth Proportional to 261,965,551.76, 392,863,299.24 and 87,041,608.64

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Solution

The fourth proportional to 261,965,551.76, 392,863,299.24 and 87,041,608.64 is: 130,534,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,965,551.76 : 392,863,299.24 = 87,041,608.64 : x
  2. Step 2: Convert to fraction form
    261,965,551.76/392,863,299.24 = 87,041,608.64/x
  3. Step 3: Cross multiply
    261,965,551.76x = 392,863,299.24 × 87,041,608.64
  4. Step 4: Simplify right side
    261,965,551.76x = 34,195,453,541,467,292
  5. Step 5: Solve for x
    x = 34,195,453,541,467,292/261,965,551.76
  6. Step 6: Final answer
    x = 130,534,161.12

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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.