Home / 200,556,000.10-300,834,000.15-172,814,779.90

Finding the Fourth Proportional to 200,556,000.10, 300,834,000.15 and 172,814,779.90

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Solution

The fourth proportional to 200,556,000.10, 300,834,000.15 and 172,814,779.90 is: 259,222,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,556,000.10 : 300,834,000.15 = 172,814,779.90 : x
  2. Step 2: Convert to fraction form
    200,556,000.10/300,834,000.15 = 172,814,779.90/x
  3. Step 3: Cross multiply
    200,556,000.10x = 300,834,000.15 × 172,814,779.90
  4. Step 4: Simplify right side
    200,556,000.10x = 51,988,561,522,358,816
  5. Step 5: Solve for x
    x = 51,988,561,522,358,816/200,556,000.10
  6. Step 6: Final answer
    x = 259,222,169.85

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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.