Home / 66,725,438.12-100,103,249.28-36,019,358.40

Finding the Fourth Proportional to 66,725,438.12, 100,103,249.28 and 36,019,358.40

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Solution

The fourth proportional to 66,725,438.12, 100,103,249.28 and 36,019,358.40 is: 54,037,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,725,438.12 : 100,103,249.28 = 36,019,358.40 : x
  2. Step 2: Convert to fraction form
    66,725,438.12/100,103,249.28 = 36,019,358.40/x
  3. Step 3: Cross multiply
    66,725,438.12x = 100,103,249.28 × 36,019,358.40
  4. Step 4: Simplify right side
    66,725,438.12x = 3,605,654,812,820,862
  5. Step 5: Solve for x
    x = 3,605,654,812,820,862/66,725,438.12
  6. Step 6: Final answer
    x = 54,037,184.53

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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.