Home / 42,915,006.40-59,378,660.38-37,419,832.20

Finding the Fourth Proportional to 42,915,006.40, 59,378,660.38 and 37,419,832.20

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Solution

The fourth proportional to 42,915,006.40, 59,378,660.38 and 37,419,832.20 is: 51,775,350.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,915,006.40 : 59,378,660.38 = 37,419,832.20 : x
  2. Step 2: Convert to fraction form
    42,915,006.40/59,378,660.38 = 37,419,832.20/x
  3. Step 3: Cross multiply
    42,915,006.40x = 59,378,660.38 × 37,419,832.20
  4. Step 4: Simplify right side
    42,915,006.40x = 2,221,939,507,680,388.50
  5. Step 5: Solve for x
    x = 2,221,939,507,680,388.50/42,915,006.40
  6. Step 6: Final answer
    x = 51,775,350.72

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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.