Home / 199,514,849.20-299,272,273.80-188,429,383.60

Finding the Fourth Proportional to 199,514,849.20, 299,272,273.80 and 188,429,383.60

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Solution

The fourth proportional to 199,514,849.20, 299,272,273.80 and 188,429,383.60 is: 282,644,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,514,849.20 : 299,272,273.80 = 188,429,383.60 : x
  2. Step 2: Convert to fraction form
    199,514,849.20/299,272,273.80 = 188,429,383.60/x
  3. Step 3: Cross multiply
    199,514,849.20x = 299,272,273.80 × 188,429,383.60
  4. Step 4: Simplify right side
    199,514,849.20x = 56,391,690,080,704,432
  5. Step 5: Solve for x
    x = 56,391,690,080,704,432/199,514,849.20
  6. Step 6: Final answer
    x = 282,644,075.40

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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.