Home / 99,661,807.20-149,386,422.60-38,227,227.60

Finding the Fourth Proportional to 99,661,807.20, 149,386,422.60 and 38,227,227.60

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Solution

The fourth proportional to 99,661,807.20, 149,386,422.60 and 38,227,227.60 is: 57,300,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,807.20 : 149,386,422.60 = 38,227,227.60 : x
  2. Step 2: Convert to fraction form
    99,661,807.20/149,386,422.60 = 38,227,227.60/x
  3. Step 3: Cross multiply
    99,661,807.20x = 149,386,422.60 × 38,227,227.60
  4. Step 4: Simplify right side
    99,661,807.20x = 5,710,628,777,079,984
  5. Step 5: Solve for x
    x = 5,710,628,777,079,984/99,661,807.20
  6. Step 6: Final answer
    x = 57,300,072.49

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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.