Home / 186,657,943.22-280,000,367.01-71,642,485.55

Finding the Fourth Proportional to 186,657,943.22, 280,000,367.01 and 71,642,485.55

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Solution

The fourth proportional to 186,657,943.22, 280,000,367.01 and 71,642,485.55 is: 107,468,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,657,943.22 : 280,000,367.01 = 71,642,485.55 : x
  2. Step 2: Convert to fraction form
    186,657,943.22/280,000,367.01 = 71,642,485.55/x
  3. Step 3: Cross multiply
    186,657,943.22x = 280,000,367.01 × 71,642,485.55
  4. Step 4: Simplify right side
    186,657,943.22x = 20,059,922,247,508,620
  5. Step 5: Solve for x
    x = 20,059,922,247,508,620/186,657,943.22
  6. Step 6: Final answer
    x = 107,468,891.50

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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.