Home / 67,356,781.20-101,035,171.80-45,673,988.40

Finding the Fourth Proportional to 67,356,781.20, 101,035,171.80 and 45,673,988.40

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Solution

The fourth proportional to 67,356,781.20, 101,035,171.80 and 45,673,988.40 is: 68,510,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,356,781.20 : 101,035,171.80 = 45,673,988.40 : x
  2. Step 2: Convert to fraction form
    67,356,781.20/101,035,171.80 = 45,673,988.40/x
  3. Step 3: Cross multiply
    67,356,781.20x = 101,035,171.80 × 45,673,988.40
  4. Step 4: Simplify right side
    67,356,781.20x = 4,614,679,264,785,207
  5. Step 5: Solve for x
    x = 4,614,679,264,785,207/67,356,781.20
  6. Step 6: Final answer
    x = 68,510,982.60

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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.