Home / 130,580,191.20-195,870,286.80-115,463,647.20

Finding the Fourth Proportional to 130,580,191.20, 195,870,286.80 and 115,463,647.20

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Solution

The fourth proportional to 130,580,191.20, 195,870,286.80 and 115,463,647.20 is: 173,195,470.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,580,191.20 : 195,870,286.80 = 115,463,647.20 : x
  2. Step 2: Convert to fraction form
    130,580,191.20/195,870,286.80 = 115,463,647.20/x
  3. Step 3: Cross multiply
    130,580,191.20x = 195,870,286.80 × 115,463,647.20
  4. Step 4: Simplify right side
    130,580,191.20x = 22,615,897,692,038,020
  5. Step 5: Solve for x
    x = 22,615,897,692,038,020/130,580,191.20
  6. Step 6: Final answer
    x = 173,195,470.80

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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.