Home / 66,049,612.80-99,074,419.20-27,738,621.60

Finding the Fourth Proportional to 66,049,612.80, 99,074,419.20 and 27,738,621.60

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Solution

The fourth proportional to 66,049,612.80, 99,074,419.20 and 27,738,621.60 is: 41,607,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049,612.80 : 99,074,419.20 = 27,738,621.60 : x
  2. Step 2: Convert to fraction form
    66,049,612.80/99,074,419.20 = 27,738,621.60/x
  3. Step 3: Cross multiply
    66,049,612.80x = 99,074,419.20 × 27,738,621.60
  4. Step 4: Simplify right side
    66,049,612.80x = 2,748,187,824,428,575
  5. Step 5: Solve for x
    x = 2,748,187,824,428,575/66,049,612.80
  6. Step 6: Final answer
    x = 41,607,932.40

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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.