Home / 144,342,904.80-216,514,357.20-143,067,446.40

Finding the Fourth Proportional to 144,342,904.80, 216,514,357.20 and 143,067,446.40

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Solution

The fourth proportional to 144,342,904.80, 216,514,357.20 and 143,067,446.40 is: 214,601,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,342,904.80 : 216,514,357.20 = 143,067,446.40 : x
  2. Step 2: Convert to fraction form
    144,342,904.80/216,514,357.20 = 143,067,446.40/x
  3. Step 3: Cross multiply
    144,342,904.80x = 216,514,357.20 × 143,067,446.40
  4. Step 4: Simplify right side
    144,342,904.80x = 30,976,156,193,541,452
  5. Step 5: Solve for x
    x = 30,976,156,193,541,452/144,342,904.80
  6. Step 6: Final answer
    x = 214,601,169.60

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1.5x scale

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.