Home / 81,537,958.92-112,520,959.62-44,366,985.16

Finding the Fourth Proportional to 81,537,958.92, 112,520,959.62 and 44,366,985.16

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Solution

The fourth proportional to 81,537,958.92, 112,520,959.62 and 44,366,985.16 is: 61,225,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537,958.92 : 112,520,959.62 = 44,366,985.16 : x
  2. Step 2: Convert to fraction form
    81,537,958.92/112,520,959.62 = 44,366,985.16/x
  3. Step 3: Cross multiply
    81,537,958.92x = 112,520,959.62 × 44,366,985.16
  4. Step 4: Simplify right side
    81,537,958.92x = 4,992,215,745,649,499
  5. Step 5: Solve for x
    x = 4,992,215,745,649,499/81,537,958.92
  6. Step 6: Final answer
    x = 61,225,664.85

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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.