Home / 265,727,807.40-398,591,711.10-83,974,985.40

Finding the Fourth Proportional to 265,727,807.40, 398,591,711.10 and 83,974,985.40

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Solution

The fourth proportional to 265,727,807.40, 398,591,711.10 and 83,974,985.40 is: 125,962,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,727,807.40 : 398,591,711.10 = 83,974,985.40 : x
  2. Step 2: Convert to fraction form
    265,727,807.40/398,591,711.10 = 83,974,985.40/x
  3. Step 3: Cross multiply
    265,727,807.40x = 398,591,711.10 × 83,974,985.40
  4. Step 4: Simplify right side
    265,727,807.40x = 33,471,733,120,183,524
  5. Step 5: Solve for x
    x = 33,471,733,120,183,524/265,727,807.40
  6. Step 6: Final answer
    x = 125,962,478.10

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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.