Home / 217,746,221.10-326,619,331.65-148,769,990.70

Finding the Fourth Proportional to 217,746,221.10, 326,619,331.65 and 148,769,990.70

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Solution

The fourth proportional to 217,746,221.10, 326,619,331.65 and 148,769,990.70 is: 223,154,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746,221.10 : 326,619,331.65 = 148,769,990.70 : x
  2. Step 2: Convert to fraction form
    217,746,221.10/326,619,331.65 = 148,769,990.70/x
  3. Step 3: Cross multiply
    217,746,221.10x = 326,619,331.65 × 148,769,990.70
  4. Step 4: Simplify right side
    217,746,221.10x = 48,591,154,932,010,712
  5. Step 5: Solve for x
    x = 48,591,154,932,010,712/217,746,221.10
  6. Step 6: Final answer
    x = 223,154,986.05

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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.