Home / 52,189,775.11-72,013,241.45-30,165,329.17

Finding the Fourth Proportional to 52,189,775.11, 72,013,241.45 and 30,165,329.17

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Solution

The fourth proportional to 52,189,775.11, 72,013,241.45 and 30,165,329.17 is: 41,623,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,189,775.11 : 72,013,241.45 = 30,165,329.17 : x
  2. Step 2: Convert to fraction form
    52,189,775.11/72,013,241.45 = 30,165,329.17/x
  3. Step 3: Cross multiply
    52,189,775.11x = 72,013,241.45 × 30,165,329.17
  4. Step 4: Simplify right side
    52,189,775.11x = 2,172,303,132,427,045
  5. Step 5: Solve for x
    x = 2,172,303,132,427,045/52,189,775.11
  6. Step 6: Final answer
    x = 41,623,155.65

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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.