Home / 121,261,818.10-181,919,299.20-59,880,382.60

Finding the Fourth Proportional to 121,261,818.10, 181,919,299.20 and 59,880,382.60

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Solution

The fourth proportional to 121,261,818.10, 181,919,299.20 and 59,880,382.60 is: 89,833,695.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261,818.10 : 181,919,299.20 = 59,880,382.60 : x
  2. Step 2: Convert to fraction form
    121,261,818.10/181,919,299.20 = 59,880,382.60/x
  3. Step 3: Cross multiply
    121,261,818.10x = 181,919,299.20 × 59,880,382.60
  4. Step 4: Simplify right side
    121,261,818.10x = 10,893,397,238,419,874
  5. Step 5: Solve for x
    x = 10,893,397,238,419,874/121,261,818.10
  6. Step 6: Final answer
    x = 89,833,695.46

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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.