Home / 217,386,960.76-299,995,310.46-118,268,419.18

Finding the Fourth Proportional to 217,386,960.76, 299,995,310.46 and 118,268,419.18

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Solution

The fourth proportional to 217,386,960.76, 299,995,310.46 and 118,268,419.18 is: 163,211,128.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,386,960.76 : 299,995,310.46 = 118,268,419.18 : x
  2. Step 2: Convert to fraction form
    217,386,960.76/299,995,310.46 = 118,268,419.18/x
  3. Step 3: Cross multiply
    217,386,960.76x = 299,995,310.46 × 118,268,419.18
  4. Step 4: Simplify right side
    217,386,960.76x = 35,479,971,129,517,520
  5. Step 5: Solve for x
    x = 35,479,971,129,517,520/217,386,960.76
  6. Step 6: Final answer
    x = 163,211,128.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.