Home / 136,340,227.80-188,154,156.84-80,633,401.20

Finding the Fourth Proportional to 136,340,227.80, 188,154,156.84 and 80,633,401.20

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Solution

The fourth proportional to 136,340,227.80, 188,154,156.84 and 80,633,401.20 is: 111,276,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,340,227.80 : 188,154,156.84 = 80,633,401.20 : x
  2. Step 2: Convert to fraction form
    136,340,227.80/188,154,156.84 = 80,633,401.20/x
  3. Step 3: Cross multiply
    136,340,227.80x = 188,154,156.84 × 80,633,401.20
  4. Step 4: Simplify right side
    136,340,227.80x = 15,171,509,615,927,446
  5. Step 5: Solve for x
    x = 15,171,509,615,927,446/136,340,227.80
  6. Step 6: Final answer
    x = 111,276,839.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.