Home / 91,422,606.32-126,156,985.80-50,172,155.84

Finding the Fourth Proportional to 91,422,606.32, 126,156,985.80 and 50,172,155.84

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Solution

The fourth proportional to 91,422,606.32, 126,156,985.80 and 50,172,155.84 is: 69,234,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,422,606.32 : 126,156,985.80 = 50,172,155.84 : x
  2. Step 2: Convert to fraction form
    91,422,606.32/126,156,985.80 = 50,172,155.84/x
  3. Step 3: Cross multiply
    91,422,606.32x = 126,156,985.80 × 50,172,155.84
  4. Step 4: Simplify right side
    91,422,606.32x = 6,329,567,951,862,267
  5. Step 5: Solve for x
    x = 6,329,567,951,862,267/91,422,606.32
  6. Step 6: Final answer
    x = 69,234,166.54

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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.