Home / 81,073,124.10-111,881,019.12-43,903,468.44

Finding the Fourth Proportional to 81,073,124.10, 111,881,019.12 and 43,903,468.44

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Solution

The fourth proportional to 81,073,124.10, 111,881,019.12 and 43,903,468.44 is: 60,586,844.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,073,124.10 : 111,881,019.12 = 43,903,468.44 : x
  2. Step 2: Convert to fraction form
    81,073,124.10/111,881,019.12 = 43,903,468.44/x
  3. Step 3: Cross multiply
    81,073,124.10x = 111,881,019.12 × 43,903,468.44
  4. Step 4: Simplify right side
    81,073,124.10x = 4,911,964,791,969,957
  5. Step 5: Solve for x
    x = 4,911,964,791,969,957/81,073,124.10
  6. Step 6: Final answer
    x = 60,586,844.86

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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.