Home / 248,832,138.20-373,248,207.30-121,430,154.20

Finding the Fourth Proportional to 248,832,138.20, 373,248,207.30 and 121,430,154.20

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Solution

The fourth proportional to 248,832,138.20, 373,248,207.30 and 121,430,154.20 is: 182,145,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,832,138.20 : 373,248,207.30 = 121,430,154.20 : x
  2. Step 2: Convert to fraction form
    248,832,138.20/373,248,207.30 = 121,430,154.20/x
  3. Step 3: Cross multiply
    248,832,138.20x = 373,248,207.30 × 121,430,154.20
  4. Step 4: Simplify right side
    248,832,138.20x = 45,323,587,367,312,568
  5. Step 5: Solve for x
    x = 45,323,587,367,312,568/248,832,138.20
  6. Step 6: Final answer
    x = 182,145,231.30

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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.