Home / 217,743,608.10-326,615,412.15-148,767,377.70

Finding the Fourth Proportional to 217,743,608.10, 326,615,412.15 and 148,767,377.70

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Solution

The fourth proportional to 217,743,608.10, 326,615,412.15 and 148,767,377.70 is: 223,151,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,743,608.10 : 326,615,412.15 = 148,767,377.70 : x
  2. Step 2: Convert to fraction form
    217,743,608.10/326,615,412.15 = 148,767,377.70/x
  3. Step 3: Cross multiply
    217,743,608.10x = 326,615,412.15 × 148,767,377.70
  4. Step 4: Simplify right side
    217,743,608.10x = 48,589,718,381,960,208
  5. Step 5: Solve for x
    x = 48,589,718,381,960,208/217,743,608.10
  6. Step 6: Final answer
    x = 223,151,066.55

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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.