Home / 74,304,400.30-111,456,600.45-45,205,053.10

Finding the Fourth Proportional to 74,304,400.30, 111,456,600.45 and 45,205,053.10

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Solution

The fourth proportional to 74,304,400.30, 111,456,600.45 and 45,205,053.10 is: 67,807,579.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,304,400.30 : 111,456,600.45 = 45,205,053.10 : x
  2. Step 2: Convert to fraction form
    74,304,400.30/111,456,600.45 = 45,205,053.10/x
  3. Step 3: Cross multiply
    74,304,400.30x = 111,456,600.45 × 45,205,053.10
  4. Step 4: Simplify right side
    74,304,400.30x = 5,038,401,541,687,734
  5. Step 5: Solve for x
    x = 5,038,401,541,687,734/74,304,400.30
  6. Step 6: Final answer
    x = 67,807,579.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.