Home / 119,570,469.60-179,355,704.40-90,660,079.20

Finding the Fourth Proportional to 119,570,469.60, 179,355,704.40 and 90,660,079.20

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Solution

The fourth proportional to 119,570,469.60, 179,355,704.40 and 90,660,079.20 is: 135,990,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,570,469.60 : 179,355,704.40 = 90,660,079.20 : x
  2. Step 2: Convert to fraction form
    119,570,469.60/179,355,704.40 = 90,660,079.20/x
  3. Step 3: Cross multiply
    119,570,469.60x = 179,355,704.40 × 90,660,079.20
  4. Step 4: Simplify right side
    119,570,469.60x = 16,260,402,365,875,790
  5. Step 5: Solve for x
    x = 16,260,402,365,875,790/119,570,469.60
  6. Step 6: Final answer
    x = 135,990,118.80

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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.