Home / 130,007,640.20-195,040,328.70-43,743,612.20

Finding the Fourth Proportional to 130,007,640.20, 195,040,328.70 and 43,743,612.20

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Solution

The fourth proportional to 130,007,640.20, 195,040,328.70 and 43,743,612.20 is: 65,625,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007,640.20 : 195,040,328.70 = 43,743,612.20 : x
  2. Step 2: Convert to fraction form
    130,007,640.20/195,040,328.70 = 43,743,612.20/x
  3. Step 3: Cross multiply
    130,007,640.20x = 195,040,328.70 × 43,743,612.20
  4. Step 4: Simplify right side
    130,007,640.20x = 8,531,768,502,013,330
  5. Step 5: Solve for x
    x = 8,531,768,502,013,330/130,007,640.20
  6. Step 6: Final answer
    x = 65,625,131.64

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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.