Home / 299,025,861.90-448,622,773.65-145,676,921.10

Finding the Fourth Proportional to 299,025,861.90, 448,622,773.65 and 145,676,921.10

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Solution

The fourth proportional to 299,025,861.90, 448,622,773.65 and 145,676,921.10 is: 218,556,294.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,025,861.90 : 448,622,773.65 = 145,676,921.10 : x
  2. Step 2: Convert to fraction form
    299,025,861.90/448,622,773.65 = 145,676,921.10/x
  3. Step 3: Cross multiply
    299,025,861.90x = 448,622,773.65 × 145,676,921.10
  4. Step 4: Simplify right side
    299,025,861.90x = 65,353,984,400,674,200
  5. Step 5: Solve for x
    x = 65,353,984,400,674,200/299,025,861.90
  6. Step 6: Final answer
    x = 218,556,294.71

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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.