Home / 80,880,151.20-121,320,226.80-61,748,275.20

Finding the Fourth Proportional to 80,880,151.20, 121,320,226.80 and 61,748,275.20

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Solution

The fourth proportional to 80,880,151.20, 121,320,226.80 and 61,748,275.20 is: 92,622,412.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,880,151.20 : 121,320,226.80 = 61,748,275.20 : x
  2. Step 2: Convert to fraction form
    80,880,151.20/121,320,226.80 = 61,748,275.20/x
  3. Step 3: Cross multiply
    80,880,151.20x = 121,320,226.80 × 61,748,275.20
  4. Step 4: Simplify right side
    80,880,151.20x = 7,491,314,751,772,816
  5. Step 5: Solve for x
    x = 7,491,314,751,772,816/80,880,151.20
  6. Step 6: Final answer
    x = 92,622,412.80

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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.