Home / 107,892,000.40-161,838,000.60-98,007,197.80

Finding the Fourth Proportional to 107,892,000.40, 161,838,000.60 and 98,007,197.80

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Solution

The fourth proportional to 107,892,000.40, 161,838,000.60 and 98,007,197.80 is: 147,010,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,892,000.40 : 161,838,000.60 = 98,007,197.80 : x
  2. Step 2: Convert to fraction form
    107,892,000.40/161,838,000.60 = 98,007,197.80/x
  3. Step 3: Cross multiply
    107,892,000.40x = 161,838,000.60 × 98,007,197.80
  4. Step 4: Simplify right side
    107,892,000.40x = 15,861,288,936,360,718
  5. Step 5: Solve for x
    x = 15,861,288,936,360,718/107,892,000.40
  6. Step 6: Final answer
    x = 147,010,796.70

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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.