Home / 71,266,334.40-106,899,501.60-53,126,481.60

Finding the Fourth Proportional to 71,266,334.40, 106,899,501.60 and 53,126,481.60

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Solution

The fourth proportional to 71,266,334.40, 106,899,501.60 and 53,126,481.60 is: 79,689,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,266,334.40 : 106,899,501.60 = 53,126,481.60 : x
  2. Step 2: Convert to fraction form
    71,266,334.40/106,899,501.60 = 53,126,481.60/x
  3. Step 3: Cross multiply
    71,266,334.40x = 106,899,501.60 × 53,126,481.60
  4. Step 4: Simplify right side
    71,266,334.40x = 5,679,194,404,801,570
  5. Step 5: Solve for x
    x = 5,679,194,404,801,570/71,266,334.40
  6. Step 6: Final answer
    x = 79,689,722.40

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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.