Home / 198,378,276.15-297,284,819.67-146,152,158.47

Finding the Fourth Proportional to 198,378,276.15, 297,284,819.67 and 146,152,158.47

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Solution

The fourth proportional to 198,378,276.15, 297,284,819.67 and 146,152,158.47 is: 219,020,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378,276.15 : 297,284,819.67 = 146,152,158.47 : x
  2. Step 2: Convert to fraction form
    198,378,276.15/297,284,819.67 = 146,152,158.47/x
  3. Step 3: Cross multiply
    198,378,276.15x = 297,284,819.67 × 146,152,158.47
  4. Step 4: Simplify right side
    198,378,276.15x = 43,448,818,073,648,792
  5. Step 5: Solve for x
    x = 43,448,818,073,648,792/198,378,276.15
  6. Step 6: Final answer
    x = 219,020,040.48

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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.