Home / 168,400,868.10-252,601,302.15-147,573,629.70

Finding the Fourth Proportional to 168,400,868.10, 252,601,302.15 and 147,573,629.70

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Solution

The fourth proportional to 168,400,868.10, 252,601,302.15 and 147,573,629.70 is: 221,360,444.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,400,868.10 : 252,601,302.15 = 147,573,629.70 : x
  2. Step 2: Convert to fraction form
    168,400,868.10/252,601,302.15 = 147,573,629.70/x
  3. Step 3: Cross multiply
    168,400,868.10x = 252,601,302.15 × 147,573,629.70
  4. Step 4: Simplify right side
    168,400,868.10x = 37,277,291,025,221,912
  5. Step 5: Solve for x
    x = 37,277,291,025,221,912/168,400,868.10
  6. Step 6: Final answer
    x = 221,360,444.55

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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.