Home / 81,052,419.11-111,852,177.71-43,882,689.24

Finding the Fourth Proportional to 81,052,419.11, 111,852,177.71 and 43,882,689.24

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Solution

The fourth proportional to 81,052,419.11, 111,852,177.71 and 43,882,689.24 is: 60,558,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,052,419.11 : 111,852,177.71 = 43,882,689.24 : x
  2. Step 2: Convert to fraction form
    81,052,419.11/111,852,177.71 = 43,882,689.24/x
  3. Step 3: Cross multiply
    81,052,419.11x = 111,852,177.71 × 43,882,689.24
  4. Step 4: Simplify right side
    81,052,419.11x = 4,908,374,355,045,772
  5. Step 5: Solve for x
    x = 4,908,374,355,045,772/81,052,419.11
  6. Step 6: Final answer
    x = 60,558,024.17

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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.