Home / 99,015,991.20-148,523,986.80-26,244,003.60

Finding the Fourth Proportional to 99,015,991.20, 148,523,986.80 and 26,244,003.60

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Solution

The fourth proportional to 99,015,991.20, 148,523,986.80 and 26,244,003.60 is: 39,366,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015,991.20 : 148,523,986.80 = 26,244,003.60 : x
  2. Step 2: Convert to fraction form
    99,015,991.20/148,523,986.80 = 26,244,003.60/x
  3. Step 3: Cross multiply
    99,015,991.20x = 148,523,986.80 × 26,244,003.60
  4. Step 4: Simplify right side
    99,015,991.20x = 3,897,864,044,265,553
  5. Step 5: Solve for x
    x = 3,897,864,044,265,553/99,015,991.20
  6. Step 6: Final answer
    x = 39,366,005.40

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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.