Home / 42,435,452.40-63,599,653.80-18,145,664.88

Finding the Fourth Proportional to 42,435,452.40, 63,599,653.80 and 18,145,664.88

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Solution

The fourth proportional to 42,435,452.40, 63,599,653.80 and 18,145,664.88 is: 27,195,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,435,452.40 : 63,599,653.80 = 18,145,664.88 : x
  2. Step 2: Convert to fraction form
    42,435,452.40/63,599,653.80 = 18,145,664.88/x
  3. Step 3: Cross multiply
    42,435,452.40x = 63,599,653.80 × 18,145,664.88
  4. Step 4: Simplify right side
    42,435,452.40x = 1,154,058,004,338,818.50
  5. Step 5: Solve for x
    x = 1,154,058,004,338,818.50/42,435,452.40
  6. Step 6: Final answer
    x = 27,195,609.78

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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.