Home / 130,289,363.20-195,384,278.40-39,382,739.20

Finding the Fourth Proportional to 130,289,363.20, 195,384,278.40 and 39,382,739.20

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Solution

The fourth proportional to 130,289,363.20, 195,384,278.40 and 39,382,739.20 is: 59,059,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,289,363.20 : 195,384,278.40 = 39,382,739.20 : x
  2. Step 2: Convert to fraction form
    130,289,363.20/195,384,278.40 = 39,382,739.20/x
  3. Step 3: Cross multiply
    130,289,363.20x = 195,384,278.40 × 39,382,739.20
  4. Step 4: Simplify right side
    130,289,363.20x = 7,694,768,080,007,394
  5. Step 5: Solve for x
    x = 7,694,768,080,007,394/130,289,363.20
  6. Step 6: Final answer
    x = 59,059,065.84

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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.