Home / 68,144,002.80-102,216,004.20-43,957,532.40

Finding the Fourth Proportional to 68,144,002.80, 102,216,004.20 and 43,957,532.40

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Solution

The fourth proportional to 68,144,002.80, 102,216,004.20 and 43,957,532.40 is: 65,936,298.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144,002.80 : 102,216,004.20 = 43,957,532.40 : x
  2. Step 2: Convert to fraction form
    68,144,002.80/102,216,004.20 = 43,957,532.40/x
  3. Step 3: Cross multiply
    68,144,002.80x = 102,216,004.20 × 43,957,532.40
  4. Step 4: Simplify right side
    68,144,002.80x = 4,493,163,316,420,036
  5. Step 5: Solve for x
    x = 4,493,163,316,420,036/68,144,002.80
  6. Step 6: Final answer
    x = 65,936,298.60

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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.