Home / 107,232,000.80-160,848,001.20-76,998,912.80

Finding the Fourth Proportional to 107,232,000.80, 160,848,001.20 and 76,998,912.80

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Solution

The fourth proportional to 107,232,000.80, 160,848,001.20 and 76,998,912.80 is: 115,498,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,232,000.80 : 160,848,001.20 = 76,998,912.80 : x
  2. Step 2: Convert to fraction form
    107,232,000.80/160,848,001.20 = 76,998,912.80/x
  3. Step 3: Cross multiply
    107,232,000.80x = 160,848,001.20 × 76,998,912.80
  4. Step 4: Simplify right side
    107,232,000.80x = 12,385,121,218,453,094
  5. Step 5: Solve for x
    x = 12,385,121,218,453,094/107,232,000.80
  6. Step 6: Final answer
    x = 115,498,369.20

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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.