Home / 80,880,160.20-121,320,240.30-61,748,284.20

Finding the Fourth Proportional to 80,880,160.20, 121,320,240.30 and 61,748,284.20

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Solution

The fourth proportional to 80,880,160.20, 121,320,240.30 and 61,748,284.20 is: 92,622,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,880,160.20 : 121,320,240.30 = 61,748,284.20 : x
  2. Step 2: Convert to fraction form
    80,880,160.20/121,320,240.30 = 61,748,284.20/x
  3. Step 3: Cross multiply
    80,880,160.20x = 121,320,240.30 × 61,748,284.20
  4. Step 4: Simplify right side
    80,880,160.20x = 7,491,316,677,256,693
  5. Step 5: Solve for x
    x = 7,491,316,677,256,693/80,880,160.20
  6. Step 6: Final answer
    x = 92,622,426.30

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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.