Home / 186,839,542.80-280,259,314.20-100,746,100.80

Finding the Fourth Proportional to 186,839,542.80, 280,259,314.20 and 100,746,100.80

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Solution

The fourth proportional to 186,839,542.80, 280,259,314.20 and 100,746,100.80 is: 151,119,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,839,542.80 : 280,259,314.20 = 100,746,100.80 : x
  2. Step 2: Convert to fraction form
    186,839,542.80/280,259,314.20 = 100,746,100.80/x
  3. Step 3: Cross multiply
    186,839,542.80x = 280,259,314.20 × 100,746,100.80
  4. Step 4: Simplify right side
    186,839,542.80x = 28,235,033,118,532,068
  5. Step 5: Solve for x
    x = 28,235,033,118,532,068/186,839,542.80
  6. Step 6: Final answer
    x = 151,119,151.20

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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.