Home / 86,873,134.95-119,892,319.68-49,202,999.68

Finding the Fourth Proportional to 86,873,134.95, 119,892,319.68 and 49,202,999.68

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Solution

The fourth proportional to 86,873,134.95, 119,892,319.68 and 49,202,999.68 is: 67,904,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873,134.95 : 119,892,319.68 = 49,202,999.68 : x
  2. Step 2: Convert to fraction form
    86,873,134.95/119,892,319.68 = 49,202,999.68/x
  3. Step 3: Cross multiply
    86,873,134.95x = 119,892,319.68 × 49,202,999.68
  4. Step 4: Simplify right side
    86,873,134.95x = 5,899,061,766,849,498
  5. Step 5: Solve for x
    x = 5,899,061,766,849,498/86,873,134.95
  6. Step 6: Final answer
    x = 67,904,327.04

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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.