Home / 198,104,959.40-297,157,439.10-61,790,124.20

Finding the Fourth Proportional to 198,104,959.40, 297,157,439.10 and 61,790,124.20

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Solution

The fourth proportional to 198,104,959.40, 297,157,439.10 and 61,790,124.20 is: 92,685,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,104,959.40 : 297,157,439.10 = 61,790,124.20 : x
  2. Step 2: Convert to fraction form
    198,104,959.40/297,157,439.10 = 61,790,124.20/x
  3. Step 3: Cross multiply
    198,104,959.40x = 297,157,439.10 × 61,790,124.20
  4. Step 4: Simplify right side
    198,104,959.40x = 18,361,395,068,942,940
  5. Step 5: Solve for x
    x = 18,361,395,068,942,940/198,104,959.40
  6. Step 6: Final answer
    x = 92,685,186.30

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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.