Home / 146,373,778-201,993,930.25-83,649,156.49

Finding the Fourth Proportional to 146,373,778, 201,993,930.25 and 83,649,156.49

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Solution

The fourth proportional to 146,373,778, 201,993,930.25 and 83,649,156.49 is: 115,434,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,373,778 : 201,993,930.25 = 83,649,156.49 : x
  2. Step 2: Convert to fraction form
    146,373,778/201,993,930.25 = 83,649,156.49/x
  3. Step 3: Cross multiply
    146,373,778x = 201,993,930.25 × 83,649,156.49
  4. Step 4: Simplify right side
    146,373,778x = 16,896,621,881,512,394
  5. Step 5: Solve for x
    x = 16,896,621,881,512,394/146,373,778
  6. Step 6: Final answer
    x = 115,434,759.64

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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.