Home / 299,023,672.40-448,619,489.40-145,674,731.60

Finding the Fourth Proportional to 299,023,672.40, 448,619,489.40 and 145,674,731.60

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Solution

The fourth proportional to 299,023,672.40, 448,619,489.40 and 145,674,731.60 is: 218,553,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,023,672.40 : 448,619,489.40 = 145,674,731.60 : x
  2. Step 2: Convert to fraction form
    299,023,672.40/448,619,489.40 = 145,674,731.60/x
  3. Step 3: Cross multiply
    299,023,672.40x = 448,619,489.40 × 145,674,731.60
  4. Step 4: Simplify right side
    299,023,672.40x = 65,352,523,708,874,040
  5. Step 5: Solve for x
    x = 65,352,523,708,874,040/299,023,672.40
  6. Step 6: Final answer
    x = 218,553,010.15

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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.