Home / 74,298,909.40-111,443,115.30-25,765,005.40

Finding the Fourth Proportional to 74,298,909.40, 111,443,115.30 and 25,765,005.40

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Solution

The fourth proportional to 74,298,909.40, 111,443,115.30 and 25,765,005.40 is: 38,645,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,298,909.40 : 111,443,115.30 = 25,765,005.40 : x
  2. Step 2: Convert to fraction form
    74,298,909.40/111,443,115.30 = 25,765,005.40/x
  3. Step 3: Cross multiply
    74,298,909.40x = 111,443,115.30 × 25,765,005.40
  4. Step 4: Simplify right side
    74,298,909.40x = 2,871,332,467,497,322.50
  5. Step 5: Solve for x
    x = 2,871,332,467,497,322.50/74,298,909.40
  6. Step 6: Final answer
    x = 38,645,687.95

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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.