Home / 101,680,902.53-140,319,735.91-55,271,156.45

Finding the Fourth Proportional to 101,680,902.53, 140,319,735.91 and 55,271,156.45

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Solution

The fourth proportional to 101,680,902.53, 140,319,735.91 and 55,271,156.45 is: 76,274,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680,902.53 : 140,319,735.91 = 55,271,156.45 : x
  2. Step 2: Convert to fraction form
    101,680,902.53/140,319,735.91 = 55,271,156.45/x
  3. Step 3: Cross multiply
    101,680,902.53x = 140,319,735.91 × 55,271,156.45
  4. Step 4: Simplify right side
    101,680,902.53x = 7,755,634,076,227,938
  5. Step 5: Solve for x
    x = 7,755,634,076,227,938/101,680,902.53
  6. Step 6: Final answer
    x = 76,274,245.05

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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.