Home / 142,608,171.40-213,912,257.10-132,971,374.60

Finding the Fourth Proportional to 142,608,171.40, 213,912,257.10 and 132,971,374.60

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Solution

The fourth proportional to 142,608,171.40, 213,912,257.10 and 132,971,374.60 is: 199,457,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,608,171.40 : 213,912,257.10 = 132,971,374.60 : x
  2. Step 2: Convert to fraction form
    142,608,171.40/213,912,257.10 = 132,971,374.60/x
  3. Step 3: Cross multiply
    142,608,171.40x = 213,912,257.10 × 132,971,374.60
  4. Step 4: Simplify right side
    142,608,171.40x = 28,444,206,870,375,608
  5. Step 5: Solve for x
    x = 28,444,206,870,375,608/142,608,171.40
  6. Step 6: Final answer
    x = 199,457,061.90

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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.