Home / 217,564,363.80-326,252,067.30-71,941,656.60

Finding the Fourth Proportional to 217,564,363.80, 326,252,067.30 and 71,941,656.60

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Solution

The fourth proportional to 217,564,363.80, 326,252,067.30 and 71,941,656.60 is: 107,881,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,564,363.80 : 326,252,067.30 = 71,941,656.60 : x
  2. Step 2: Convert to fraction form
    217,564,363.80/326,252,067.30 = 71,941,656.60/x
  3. Step 3: Cross multiply
    217,564,363.80x = 326,252,067.30 × 71,941,656.60
  4. Step 4: Simplify right side
    217,564,363.80x = 23,471,114,190,736,688
  5. Step 5: Solve for x
    x = 23,471,114,190,736,688/217,564,363.80
  6. Step 6: Final answer
    x = 107,881,243.88

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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.