Home / 81,431,772.88-112,376,598.87-44,262,140.61

Finding the Fourth Proportional to 81,431,772.88, 112,376,598.87 and 44,262,140.61

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Solution

The fourth proportional to 81,431,772.88, 112,376,598.87 and 44,262,140.61 is: 61,082,162.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,431,772.88 : 112,376,598.87 = 44,262,140.61 : x
  2. Step 2: Convert to fraction form
    81,431,772.88/112,376,598.87 = 44,262,140.61/x
  3. Step 3: Cross multiply
    81,431,772.88x = 112,376,598.87 × 44,262,140.61
  4. Step 4: Simplify right side
    81,431,772.88x = 4,974,028,819,847,586
  5. Step 5: Solve for x
    x = 4,974,028,819,847,586/81,431,772.88
  6. Step 6: Final answer
    x = 61,082,162.94

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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.