Home / 85,248,519.40-127,889,367.90-36,726,279.40

Finding the Fourth Proportional to 85,248,519.40, 127,889,367.90 and 36,726,279.40

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Solution

The fourth proportional to 85,248,519.40, 127,889,367.90 and 36,726,279.40 is: 55,096,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,519.40 : 127,889,367.90 = 36,726,279.40 : x
  2. Step 2: Convert to fraction form
    85,248,519.40/127,889,367.90 = 36,726,279.40/x
  3. Step 3: Cross multiply
    85,248,519.40x = 127,889,367.90 × 36,726,279.40
  4. Step 4: Simplify right side
    85,248,519.40x = 4,696,900,657,784,791
  5. Step 5: Solve for x
    x = 4,696,900,657,784,791/85,248,519.40
  6. Step 6: Final answer
    x = 55,096,565.79

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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.