Home / 157,471,012.80-236,206,519.20-147,905,074.80

Finding the Fourth Proportional to 157,471,012.80, 236,206,519.20 and 147,905,074.80

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Solution

The fourth proportional to 157,471,012.80, 236,206,519.20 and 147,905,074.80 is: 221,857,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,471,012.80 : 236,206,519.20 = 147,905,074.80 : x
  2. Step 2: Convert to fraction form
    157,471,012.80/236,206,519.20 = 147,905,074.80/x
  3. Step 3: Cross multiply
    157,471,012.80x = 236,206,519.20 × 147,905,074.80
  4. Step 4: Simplify right side
    157,471,012.80x = 34,936,142,890,523,636
  5. Step 5: Solve for x
    x = 34,936,142,890,523,636/157,471,012.80
  6. Step 6: Final answer
    x = 221,857,612.20

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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.