Home / 137,446,517.52-189,671,313.96-75,566,405.52

Finding the Fourth Proportional to 137,446,517.52, 189,671,313.96 and 75,566,405.52

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Solution

The fourth proportional to 137,446,517.52, 189,671,313.96 and 75,566,405.52 is: 104,278,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,446,517.52 : 189,671,313.96 = 75,566,405.52 : x
  2. Step 2: Convert to fraction form
    137,446,517.52/189,671,313.96 = 75,566,405.52/x
  3. Step 3: Cross multiply
    137,446,517.52x = 189,671,313.96 × 75,566,405.52
  4. Step 4: Simplify right side
    137,446,517.52x = 14,332,779,426,212,596
  5. Step 5: Solve for x
    x = 14,332,779,426,212,596/137,446,517.52
  6. Step 6: Final answer
    x = 104,278,956.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.