Home / 66,434,320.80-99,651,481.20-60,057,028.80

Finding the Fourth Proportional to 66,434,320.80, 99,651,481.20 and 60,057,028.80

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Solution

The fourth proportional to 66,434,320.80, 99,651,481.20 and 60,057,028.80 is: 90,085,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,434,320.80 : 99,651,481.20 = 60,057,028.80 : x
  2. Step 2: Convert to fraction form
    66,434,320.80/99,651,481.20 = 60,057,028.80/x
  3. Step 3: Cross multiply
    66,434,320.80x = 99,651,481.20 × 60,057,028.80
  4. Step 4: Simplify right side
    66,434,320.80x = 5,984,771,876,391,058
  5. Step 5: Solve for x
    x = 5,984,771,876,391,058/66,434,320.80
  6. Step 6: Final answer
    x = 90,085,543.20

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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.