Home / 168,925,288.20-253,891,817.10-165,901,979.40

Finding the Fourth Proportional to 168,925,288.20, 253,891,817.10 and 165,901,979.40

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Solution

The fourth proportional to 168,925,288.20, 253,891,817.10 and 165,901,979.40 is: 249,347,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,925,288.20 : 253,891,817.10 = 165,901,979.40 : x
  2. Step 2: Convert to fraction form
    168,925,288.20/253,891,817.10 = 165,901,979.40/x
  3. Step 3: Cross multiply
    168,925,288.20x = 253,891,817.10 × 165,901,979.40
  4. Step 4: Simplify right side
    168,925,288.20x = 42,121,155,010,352,768
  5. Step 5: Solve for x
    x = 42,121,155,010,352,768/168,925,288.20
  6. Step 6: Final answer
    x = 249,347,835.72

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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.