Home / 217,048,839.20-325,573,258.80-80,706,010.40

Finding the Fourth Proportional to 217,048,839.20, 325,573,258.80 and 80,706,010.40

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Solution

The fourth proportional to 217,048,839.20, 325,573,258.80 and 80,706,010.40 is: 121,059,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,048,839.20 : 325,573,258.80 = 80,706,010.40 : x
  2. Step 2: Convert to fraction form
    217,048,839.20/325,573,258.80 = 80,706,010.40/x
  3. Step 3: Cross multiply
    217,048,839.20x = 325,573,258.80 × 80,706,010.40
  4. Step 4: Simplify right side
    217,048,839.20x = 26,275,718,810,674,696
  5. Step 5: Solve for x
    x = 26,275,718,810,674,696/217,048,839.20
  6. Step 6: Final answer
    x = 121,059,015.60

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1.5x scale

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.