Home / 66,731,808.10-100,097,712.15-52,399,084.90

Finding the Fourth Proportional to 66,731,808.10, 100,097,712.15 and 52,399,084.90

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Solution

The fourth proportional to 66,731,808.10, 100,097,712.15 and 52,399,084.90 is: 78,598,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,731,808.10 : 100,097,712.15 = 52,399,084.90 : x
  2. Step 2: Convert to fraction form
    66,731,808.10/100,097,712.15 = 52,399,084.90/x
  3. Step 3: Cross multiply
    66,731,808.10x = 100,097,712.15 × 52,399,084.90
  4. Step 4: Simplify right side
    66,731,808.10x = 5,245,028,517,243,612
  5. Step 5: Solve for x
    x = 5,245,028,517,243,612/66,731,808.10
  6. Step 6: Final answer
    x = 78,598,627.35

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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.