Home / 192,456,147.60-288,684,221.40-90,230,518.80

Finding the Fourth Proportional to 192,456,147.60, 288,684,221.40 and 90,230,518.80

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Solution

The fourth proportional to 192,456,147.60, 288,684,221.40 and 90,230,518.80 is: 135,345,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456,147.60 : 288,684,221.40 = 90,230,518.80 : x
  2. Step 2: Convert to fraction form
    192,456,147.60/288,684,221.40 = 90,230,518.80/x
  3. Step 3: Cross multiply
    192,456,147.60x = 288,684,221.40 × 90,230,518.80
  4. Step 4: Simplify right side
    192,456,147.60x = 26,048,127,066,296,060
  5. Step 5: Solve for x
    x = 26,048,127,066,296,060/192,456,147.60
  6. Step 6: Final answer
    x = 135,345,778.20

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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.