Home / 130,004,029.10-195,006,043.65-53,382,046.70

Finding the Fourth Proportional to 130,004,029.10, 195,006,043.65 and 53,382,046.70

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Solution

The fourth proportional to 130,004,029.10, 195,006,043.65 and 53,382,046.70 is: 80,073,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,004,029.10 : 195,006,043.65 = 53,382,046.70 : x
  2. Step 2: Convert to fraction form
    130,004,029.10/195,006,043.65 = 53,382,046.70/x
  3. Step 3: Cross multiply
    130,004,029.10x = 195,006,043.65 × 53,382,046.70
  4. Step 4: Simplify right side
    130,004,029.10x = 10,409,821,728,906,540
  5. Step 5: Solve for x
    x = 10,409,821,728,906,540/130,004,029.10
  6. Step 6: Final answer
    x = 80,073,070.05

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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.