Home / 99,659,259.60-149,488,889.40-98,987,413.20

Finding the Fourth Proportional to 99,659,259.60, 149,488,889.40 and 98,987,413.20

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Solution

The fourth proportional to 99,659,259.60, 149,488,889.40 and 98,987,413.20 is: 148,481,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,659,259.60 : 149,488,889.40 = 98,987,413.20 : x
  2. Step 2: Convert to fraction form
    99,659,259.60/149,488,889.40 = 98,987,413.20/x
  3. Step 3: Cross multiply
    99,659,259.60x = 149,488,889.40 × 98,987,413.20
  4. Step 4: Simplify right side
    99,659,259.60x = 14,797,518,463,846,902
  5. Step 5: Solve for x
    x = 14,797,518,463,846,902/99,659,259.60
  6. Step 6: Final answer
    x = 148,481,119.80

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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.