Home / 165,007,979.10-247,348,672.65-72,941,694.30

Finding the Fourth Proportional to 165,007,979.10, 247,348,672.65 and 72,941,694.30

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Solution

The fourth proportional to 165,007,979.10, 247,348,672.65 and 72,941,694.30 is: 109,340,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,007,979.10 : 247,348,672.65 = 72,941,694.30 : x
  2. Step 2: Convert to fraction form
    165,007,979.10/247,348,672.65 = 72,941,694.30/x
  3. Step 3: Cross multiply
    165,007,979.10x = 247,348,672.65 × 72,941,694.30
  4. Step 4: Simplify right side
    165,007,979.10x = 18,042,031,265,947,072
  5. Step 5: Solve for x
    x = 18,042,031,265,947,072/165,007,979.10
  6. Step 6: Final answer
    x = 109,340,356.54

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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.