Home / 298,988,135.10-448,482,202.65-137,744,999.10

Finding the Fourth Proportional to 298,988,135.10, 448,482,202.65 and 137,744,999.10

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Solution

The fourth proportional to 298,988,135.10, 448,482,202.65 and 137,744,999.10 is: 206,617,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,988,135.10 : 448,482,202.65 = 137,744,999.10 : x
  2. Step 2: Convert to fraction form
    298,988,135.10/448,482,202.65 = 137,744,999.10/x
  3. Step 3: Cross multiply
    298,988,135.10x = 448,482,202.65 × 137,744,999.10
  4. Step 4: Simplify right side
    298,988,135.10x = 61,776,180,600,390,264
  5. Step 5: Solve for x
    x = 61,776,180,600,390,264/298,988,135.10
  6. Step 6: Final answer
    x = 206,617,498.65

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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.