Home / 87,734,478.78-121,077,363.06-48,576,254.11

Finding the Fourth Proportional to 87,734,478.78, 121,077,363.06 and 48,576,254.11

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Solution

The fourth proportional to 87,734,478.78, 121,077,363.06 and 48,576,254.11 is: 67,037,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,734,478.78 : 121,077,363.06 = 48,576,254.11 : x
  2. Step 2: Convert to fraction form
    87,734,478.78/121,077,363.06 = 48,576,254.11/x
  3. Step 3: Cross multiply
    87,734,478.78x = 121,077,363.06 × 48,576,254.11
  4. Step 4: Simplify right side
    87,734,478.78x = 5,881,484,754,668,594
  5. Step 5: Solve for x
    x = 5,881,484,754,668,594/87,734,478.78
  6. Step 6: Final answer
    x = 67,037,324.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.