Home / 57,309,471.20-85,964,206.80-39,169,618.40

Finding the Fourth Proportional to 57,309,471.20, 85,964,206.80 and 39,169,618.40

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Solution

The fourth proportional to 57,309,471.20, 85,964,206.80 and 39,169,618.40 is: 58,754,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,309,471.20 : 85,964,206.80 = 39,169,618.40 : x
  2. Step 2: Convert to fraction form
    57,309,471.20/85,964,206.80 = 39,169,618.40/x
  3. Step 3: Cross multiply
    57,309,471.20x = 85,964,206.80 × 39,169,618.40
  4. Step 4: Simplify right side
    57,309,471.20x = 3,367,185,176,414,685
  5. Step 5: Solve for x
    x = 3,367,185,176,414,685/57,309,471.20
  6. Step 6: Final answer
    x = 58,754,427.60

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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.