Home / 133,076,205.40-199,680,663.30-75,612,602.20

Finding the Fourth Proportional to 133,076,205.40, 199,680,663.30 and 75,612,602.20

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Solution

The fourth proportional to 133,076,205.40, 199,680,663.30 and 75,612,602.20 is: 113,456,605.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076,205.40 : 199,680,663.30 = 75,612,602.20 : x
  2. Step 2: Convert to fraction form
    133,076,205.40/199,680,663.30 = 75,612,602.20/x
  3. Step 3: Cross multiply
    133,076,205.40x = 199,680,663.30 × 75,612,602.20
  4. Step 4: Simplify right side
    133,076,205.40x = 15,098,374,561,135,040
  5. Step 5: Solve for x
    x = 15,098,374,561,135,040/133,076,205.40
  6. Step 6: Final answer
    x = 113,456,605.68

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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.