Home / 81,082,424.79-111,893,191.62-43,911,850.20

Finding the Fourth Proportional to 81,082,424.79, 111,893,191.62 and 43,911,850.20

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Solution

The fourth proportional to 81,082,424.79, 111,893,191.62 and 43,911,850.20 is: 60,598,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082,424.79 : 111,893,191.62 = 43,911,850.20 : x
  2. Step 2: Convert to fraction form
    81,082,424.79/111,893,191.62 = 43,911,850.20/x
  3. Step 3: Cross multiply
    81,082,424.79x = 111,893,191.62 × 43,911,850.20
  4. Step 4: Simplify right side
    81,082,424.79x = 4,913,437,068,817,336
  5. Step 5: Solve for x
    x = 4,913,437,068,817,336/81,082,424.79
  6. Step 6: Final answer
    x = 60,598,052.93

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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.