Home / 127,903,456.40-191,855,184.60-89,608,211.60

Finding the Fourth Proportional to 127,903,456.40, 191,855,184.60 and 89,608,211.60

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Solution

The fourth proportional to 127,903,456.40, 191,855,184.60 and 89,608,211.60 is: 134,412,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,903,456.40 : 191,855,184.60 = 89,608,211.60 : x
  2. Step 2: Convert to fraction form
    127,903,456.40/191,855,184.60 = 89,608,211.60/x
  3. Step 3: Cross multiply
    127,903,456.40x = 191,855,184.60 × 89,608,211.60
  4. Step 4: Simplify right side
    127,903,456.40x = 17,191,799,978,193,860
  5. Step 5: Solve for x
    x = 17,191,799,978,193,860/127,903,456.40
  6. Step 6: Final answer
    x = 134,412,317.40

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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.