Home / 90,697,817.56-136,125,340.26-47,597,471.32

Finding the Fourth Proportional to 90,697,817.56, 136,125,340.26 and 47,597,471.32

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Solution

The fourth proportional to 90,697,817.56, 136,125,340.26 and 47,597,471.32 is: 71,437,462.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,697,817.56 : 136,125,340.26 = 47,597,471.32 : x
  2. Step 2: Convert to fraction form
    90,697,817.56/136,125,340.26 = 47,597,471.32/x
  3. Step 3: Cross multiply
    90,697,817.56x = 136,125,340.26 × 47,597,471.32
  4. Step 4: Simplify right side
    90,697,817.56x = 6,479,221,978,950,591
  5. Step 5: Solve for x
    x = 6,479,221,978,950,591/90,697,817.56
  6. Step 6: Final answer
    x = 71,437,462.92

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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.