Home / 136,360,047.20-188,175,622.92-74,480,369.36

Finding the Fourth Proportional to 136,360,047.20, 188,175,622.92 and 74,480,369.36

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Solution

The fourth proportional to 136,360,047.20, 188,175,622.92 and 74,480,369.36 is: 102,782,231.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,360,047.20 : 188,175,622.92 = 74,480,369.36 : x
  2. Step 2: Convert to fraction form
    136,360,047.20/188,175,622.92 = 74,480,369.36/x
  3. Step 3: Cross multiply
    136,360,047.20x = 188,175,622.92 × 74,480,369.36
  4. Step 4: Simplify right side
    136,360,047.20x = 14,015,389,899,629,680
  5. Step 5: Solve for x
    x = 14,015,389,899,629,680/136,360,047.20
  6. Step 6: Final answer
    x = 102,782,231.21

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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.