Home / 66,290,185.20-99,267,316.20-52,853,257.20

Finding the Fourth Proportional to 66,290,185.20, 99,267,316.20 and 52,853,257.20

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Solution

The fourth proportional to 66,290,185.20, 99,267,316.20 and 52,853,257.20 is: 79,145,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290,185.20 : 99,267,316.20 = 52,853,257.20 : x
  2. Step 2: Convert to fraction form
    66,290,185.20/99,267,316.20 = 52,853,257.20/x
  3. Step 3: Cross multiply
    66,290,185.20x = 99,267,316.20 × 52,853,257.20
  4. Step 4: Simplify right side
    66,290,185.20x = 5,246,600,994,672,327
  5. Step 5: Solve for x
    x = 5,246,600,994,672,327/66,290,185.20
  6. Step 6: Final answer
    x = 79,145,969.78

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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.