Home / 121,261,780.10-181,919,242.20-59,880,344.60

Finding the Fourth Proportional to 121,261,780.10, 181,919,242.20 and 59,880,344.60

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Solution

The fourth proportional to 121,261,780.10, 181,919,242.20 and 59,880,344.60 is: 89,833,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261,780.10 : 181,919,242.20 = 59,880,344.60 : x
  2. Step 2: Convert to fraction form
    121,261,780.10/181,919,242.20 = 59,880,344.60/x
  3. Step 3: Cross multiply
    121,261,780.10x = 181,919,242.20 × 59,880,344.60
  4. Step 4: Simplify right side
    121,261,780.10x = 10,893,386,912,306,862
  5. Step 5: Solve for x
    x = 10,893,386,912,306,862/121,261,780.10
  6. Step 6: Final answer
    x = 89,833,638.46

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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.