Home / 127,858,304.60-191,787,456.90-36,984,858.20

Finding the Fourth Proportional to 127,858,304.60, 191,787,456.90 and 36,984,858.20

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Solution

The fourth proportional to 127,858,304.60, 191,787,456.90 and 36,984,858.20 is: 55,477,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,858,304.60 : 191,787,456.90 = 36,984,858.20 : x
  2. Step 2: Convert to fraction form
    127,858,304.60/191,787,456.90 = 36,984,858.20/x
  3. Step 3: Cross multiply
    127,858,304.60x = 191,787,456.90 × 36,984,858.20
  4. Step 4: Simplify right side
    127,858,304.60x = 7,093,231,897,985,112
  5. Step 5: Solve for x
    x = 7,093,231,897,985,112/127,858,304.60
  6. Step 6: Final answer
    x = 55,477,287.30

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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.