Home / 72,626,811.80-108,875,716.62-28,300,834.10

Finding the Fourth Proportional to 72,626,811.80, 108,875,716.62 and 28,300,834.10

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Solution

The fourth proportional to 72,626,811.80, 108,875,716.62 and 28,300,834.10 is: 42,426,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,626,811.80 : 108,875,716.62 = 28,300,834.10 : x
  2. Step 2: Convert to fraction form
    72,626,811.80/108,875,716.62 = 28,300,834.10/x
  3. Step 3: Cross multiply
    72,626,811.80x = 108,875,716.62 × 28,300,834.10
  4. Step 4: Simplify right side
    72,626,811.80x = 3,081,273,593,747,293.50
  5. Step 5: Solve for x
    x = 3,081,273,593,747,293.50/72,626,811.80
  6. Step 6: Final answer
    x = 42,426,116.71

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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.