Home / 254,985,449.70-382,478,174.55-82,479,701.10

Finding the Fourth Proportional to 254,985,449.70, 382,478,174.55 and 82,479,701.10

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Solution

The fourth proportional to 254,985,449.70, 382,478,174.55 and 82,479,701.10 is: 123,719,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,985,449.70 : 382,478,174.55 = 82,479,701.10 : x
  2. Step 2: Convert to fraction form
    254,985,449.70/382,478,174.55 = 82,479,701.10/x
  3. Step 3: Cross multiply
    254,985,449.70x = 382,478,174.55 × 82,479,701.10
  4. Step 4: Simplify right side
    254,985,449.70x = 31,546,685,514,157,624
  5. Step 5: Solve for x
    x = 31,546,685,514,157,624/254,985,449.70
  6. Step 6: Final answer
    x = 123,719,551.65

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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.