Home / 86,907,925.20-130,377,634.20-43,668,310.80

Finding the Fourth Proportional to 86,907,925.20, 130,377,634.20 and 43,668,310.80

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Solution

The fourth proportional to 86,907,925.20, 130,377,634.20 and 43,668,310.80 is: 65,510,378.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,907,925.20 : 130,377,634.20 = 43,668,310.80 : x
  2. Step 2: Convert to fraction form
    86,907,925.20/130,377,634.20 = 43,668,310.80/x
  3. Step 3: Cross multiply
    86,907,925.20x = 130,377,634.20 × 43,668,310.80
  4. Step 4: Simplify right side
    86,907,925.20x = 5,693,371,051,614,309
  5. Step 5: Solve for x
    x = 5,693,371,051,614,309/86,907,925.20
  6. Step 6: Final answer
    x = 65,510,378.24

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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.