Home / 137,591,211.60-206,386,817.40-127,068,679.80

Finding the Fourth Proportional to 137,591,211.60, 206,386,817.40 and 127,068,679.80

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Solution

The fourth proportional to 137,591,211.60, 206,386,817.40 and 127,068,679.80 is: 190,603,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,591,211.60 : 206,386,817.40 = 127,068,679.80 : x
  2. Step 2: Convert to fraction form
    137,591,211.60/206,386,817.40 = 127,068,679.80/x
  3. Step 3: Cross multiply
    137,591,211.60x = 206,386,817.40 × 127,068,679.80
  4. Step 4: Simplify right side
    137,591,211.60x = 26,225,300,415,141,668
  5. Step 5: Solve for x
    x = 26,225,300,415,141,668/137,591,211.60
  6. Step 6: Final answer
    x = 190,603,019.70

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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.