Home / 217,752,765.60-326,629,148.40-108,913,648.80

Finding the Fourth Proportional to 217,752,765.60, 326,629,148.40 and 108,913,648.80

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Solution

The fourth proportional to 217,752,765.60, 326,629,148.40 and 108,913,648.80 is: 163,370,473.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,752,765.60 : 326,629,148.40 = 108,913,648.80 : x
  2. Step 2: Convert to fraction form
    217,752,765.60/326,629,148.40 = 108,913,648.80/x
  3. Step 3: Cross multiply
    217,752,765.60x = 326,629,148.40 × 108,913,648.80
  4. Step 4: Simplify right side
    217,752,765.60x = 35,574,372,356,680,680
  5. Step 5: Solve for x
    x = 35,574,372,356,680,680/217,752,765.60
  6. Step 6: Final answer
    x = 163,370,473.20

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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.