Home / 142,156,847.25-213,235,270.88-34,451,471.25

Finding the Fourth Proportional to 142,156,847.25, 213,235,270.88 and 34,451,471.25

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Solution

The fourth proportional to 142,156,847.25, 213,235,270.88 and 34,451,471.25 is: 51,677,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,156,847.25 : 213,235,270.88 = 34,451,471.25 : x
  2. Step 2: Convert to fraction form
    142,156,847.25/213,235,270.88 = 34,451,471.25/x
  3. Step 3: Cross multiply
    142,156,847.25x = 213,235,270.88 × 34,451,471.25
  4. Step 4: Simplify right side
    142,156,847.25x = 7,346,268,804,036,025
  5. Step 5: Solve for x
    x = 7,346,268,804,036,025/142,156,847.25
  6. Step 6: Final answer
    x = 51,677,206.88

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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.