Home / 67,230,069.20-100,845,103.80-65,812,893.20

Finding the Fourth Proportional to 67,230,069.20, 100,845,103.80 and 65,812,893.20

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Solution

The fourth proportional to 67,230,069.20, 100,845,103.80 and 65,812,893.20 is: 98,719,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230,069.20 : 100,845,103.80 = 65,812,893.20 : x
  2. Step 2: Convert to fraction form
    67,230,069.20/100,845,103.80 = 65,812,893.20/x
  3. Step 3: Cross multiply
    67,230,069.20x = 100,845,103.80 × 65,812,893.20
  4. Step 4: Simplify right side
    67,230,069.20x = 6,636,908,046,132,314
  5. Step 5: Solve for x
    x = 6,636,908,046,132,314/67,230,069.20
  6. Step 6: Final answer
    x = 98,719,339.80

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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.