Home / 42,438,443.64-63,530,783.87-25,991,943.24

Finding the Fourth Proportional to 42,438,443.64, 63,530,783.87 and 25,991,943.24

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Solution

The fourth proportional to 42,438,443.64, 63,530,783.87 and 25,991,943.24 is: 38,910,204.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,438,443.64 : 63,530,783.87 = 25,991,943.24 : x
  2. Step 2: Convert to fraction form
    42,438,443.64/63,530,783.87 = 25,991,943.24/x
  3. Step 3: Cross multiply
    42,438,443.64x = 63,530,783.87 × 25,991,943.24
  4. Step 4: Simplify right side
    42,438,443.64x = 1,651,288,528,211,787.75
  5. Step 5: Solve for x
    x = 1,651,288,528,211,787.75/42,438,443.64
  6. Step 6: Final answer
    x = 38,910,204.68

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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.