Home / 157,464,608.40-236,196,912.60-138,332,732.40

Finding the Fourth Proportional to 157,464,608.40, 236,196,912.60 and 138,332,732.40

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Solution

The fourth proportional to 157,464,608.40, 236,196,912.60 and 138,332,732.40 is: 207,499,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,608.40 : 236,196,912.60 = 138,332,732.40 : x
  2. Step 2: Convert to fraction form
    157,464,608.40/236,196,912.60 = 138,332,732.40/x
  3. Step 3: Cross multiply
    157,464,608.40x = 236,196,912.60 × 138,332,732.40
  4. Step 4: Simplify right side
    157,464,608.40x = 32,673,764,304,401,988
  5. Step 5: Solve for x
    x = 32,673,764,304,401,988/157,464,608.40
  6. Step 6: Final answer
    x = 207,499,098.60

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Similar ratio
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1.5x scale

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.