Home / 100,740,979.20-151,148,793.60-97,008,499.20

Finding the Fourth Proportional to 100,740,979.20, 151,148,793.60 and 97,008,499.20

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Solution

The fourth proportional to 100,740,979.20, 151,148,793.60 and 97,008,499.20 is: 145,548,690.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,740,979.20 : 151,148,793.60 = 97,008,499.20 : x
  2. Step 2: Convert to fraction form
    100,740,979.20/151,148,793.60 = 97,008,499.20/x
  3. Step 3: Cross multiply
    100,740,979.20x = 151,148,793.60 × 97,008,499.20
  4. Step 4: Simplify right side
    100,740,979.20x = 14,662,717,623,026,564
  5. Step 5: Solve for x
    x = 14,662,717,623,026,564/100,740,979.20
  6. Step 6: Final answer
    x = 145,548,690.71

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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.