Home / 298,988,115.60-448,482,173.40-137,744,979.60

Finding the Fourth Proportional to 298,988,115.60, 448,482,173.40 and 137,744,979.60

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Solution

The fourth proportional to 298,988,115.60, 448,482,173.40 and 137,744,979.60 is: 206,617,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,988,115.60 : 448,482,173.40 = 137,744,979.60 : x
  2. Step 2: Convert to fraction form
    298,988,115.60/448,482,173.40 = 137,744,979.60/x
  3. Step 3: Cross multiply
    298,988,115.60x = 448,482,173.40 × 137,744,979.60
  4. Step 4: Simplify right side
    298,988,115.60x = 61,776,167,825,946,656
  5. Step 5: Solve for x
    x = 61,776,167,825,946,656/298,988,115.60
  6. Step 6: Final answer
    x = 206,617,469.40

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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.