Home / 66,996,988.10-100,589,960.55-41,487,820.10

Finding the Fourth Proportional to 66,996,988.10, 100,589,960.55 and 41,487,820.10

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Solution

The fourth proportional to 66,996,988.10, 100,589,960.55 and 41,487,820.10 is: 62,290,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996,988.10 : 100,589,960.55 = 41,487,820.10 : x
  2. Step 2: Convert to fraction form
    66,996,988.10/100,589,960.55 = 41,487,820.10/x
  3. Step 3: Cross multiply
    66,996,988.10x = 100,589,960.55 × 41,487,820.10
  4. Step 4: Simplify right side
    66,996,988.10x = 4,173,258,187,164,497
  5. Step 5: Solve for x
    x = 4,173,258,187,164,497/66,996,988.10
  6. Step 6: Final answer
    x = 62,290,235.81

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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.