Home / 81,520,107.10-112,498,237.02-44,350,654.01

Finding the Fourth Proportional to 81,520,107.10, 112,498,237.02 and 44,350,654.01

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Solution

The fourth proportional to 81,520,107.10, 112,498,237.02 and 44,350,654.01 is: 61,204,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,520,107.10 : 112,498,237.02 = 44,350,654.01 : x
  2. Step 2: Convert to fraction form
    81,520,107.10/112,498,237.02 = 44,350,654.01/x
  3. Step 3: Cross multiply
    81,520,107.10x = 112,498,237.02 × 44,350,654.01
  4. Step 4: Simplify right side
    81,520,107.10x = 4,989,370,386,412,818
  5. Step 5: Solve for x
    x = 4,989,370,386,412,818/81,520,107.10
  6. Step 6: Final answer
    x = 61,204,168.69

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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.