Home / 217,326,203.86-299,912,325-118,209,257.04

Finding the Fourth Proportional to 217,326,203.86, 299,912,325 and 118,209,257.04

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Solution

The fourth proportional to 217,326,203.86, 299,912,325 and 118,209,257.04 is: 163,129,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,326,203.86 : 299,912,325 = 118,209,257.04 : x
  2. Step 2: Convert to fraction form
    217,326,203.86/299,912,325 = 118,209,257.04/x
  3. Step 3: Cross multiply
    217,326,203.86x = 299,912,325 × 118,209,257.04
  4. Step 4: Simplify right side
    217,326,203.86x = 35,452,413,115,389,020
  5. Step 5: Solve for x
    x = 35,452,413,115,389,020/217,326,203.86
  6. Step 6: Final answer
    x = 163,129,951.59

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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.