Home / 102,540,072.30-153,810,108.45-48,792,360.30

Finding the Fourth Proportional to 102,540,072.30, 153,810,108.45 and 48,792,360.30

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Solution

The fourth proportional to 102,540,072.30, 153,810,108.45 and 48,792,360.30 is: 73,188,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540,072.30 : 153,810,108.45 = 48,792,360.30 : x
  2. Step 2: Convert to fraction form
    102,540,072.30/153,810,108.45 = 48,792,360.30/x
  3. Step 3: Cross multiply
    102,540,072.30x = 153,810,108.45 × 48,792,360.30
  4. Step 4: Simplify right side
    102,540,072.30x = 7,504,758,229,274,473
  5. Step 5: Solve for x
    x = 7,504,758,229,274,473/102,540,072.30
  6. Step 6: Final answer
    x = 73,188,540.45

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Double scale
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Similar ratio
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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.