Home / 217,705,683.18-326,577,335.56-60,138,642.53

Finding the Fourth Proportional to 217,705,683.18, 326,577,335.56 and 60,138,642.53

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Solution

The fourth proportional to 217,705,683.18, 326,577,335.56 and 60,138,642.53 is: 90,213,160.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,705,683.18 : 326,577,335.56 = 60,138,642.53 : x
  2. Step 2: Convert to fraction form
    217,705,683.18/326,577,335.56 = 60,138,642.53/x
  3. Step 3: Cross multiply
    217,705,683.18x = 326,577,335.56 × 60,138,642.53
  4. Step 4: Simplify right side
    217,705,683.18x = 19,639,917,640,471,796
  5. Step 5: Solve for x
    x = 19,639,917,640,471,796/217,705,683.18
  6. Step 6: Final answer
    x = 90,213,160.05

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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.