Home / 61,241,003.20-91,861,504.80-54,066,549.70

Finding the Fourth Proportional to 61,241,003.20, 91,861,504.80 and 54,066,549.70

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Solution

The fourth proportional to 61,241,003.20, 91,861,504.80 and 54,066,549.70 is: 81,099,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241,003.20 : 91,861,504.80 = 54,066,549.70 : x
  2. Step 2: Convert to fraction form
    61,241,003.20/91,861,504.80 = 54,066,549.70/x
  3. Step 3: Cross multiply
    61,241,003.20x = 91,861,504.80 × 54,066,549.70
  4. Step 4: Simplify right side
    61,241,003.20x = 4,966,634,614,785,989
  5. Step 5: Solve for x
    x = 4,966,634,614,785,989/61,241,003.20
  6. Step 6: Final answer
    x = 81,099,824.55

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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.