Home / 71,866,491.09-107,756,559.36-28,095,116.61

Finding the Fourth Proportional to 71,866,491.09, 107,756,559.36 and 28,095,116.61

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Solution

The fourth proportional to 71,866,491.09, 107,756,559.36 and 28,095,116.61 is: 42,125,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,866,491.09 : 107,756,559.36 = 28,095,116.61 : x
  2. Step 2: Convert to fraction form
    71,866,491.09/107,756,559.36 = 28,095,116.61/x
  3. Step 3: Cross multiply
    71,866,491.09x = 107,756,559.36 × 28,095,116.61
  4. Step 4: Simplify right side
    71,866,491.09x = 3,027,433,100,711,587
  5. Step 5: Solve for x
    x = 3,027,433,100,711,587/71,866,491.09
  6. Step 6: Final answer
    x = 42,125,795.41

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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.