Home / 121,395,344.80-182,093,017.20-84,407,051.20

Finding the Fourth Proportional to 121,395,344.80, 182,093,017.20 and 84,407,051.20

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Solution

The fourth proportional to 121,395,344.80, 182,093,017.20 and 84,407,051.20 is: 126,610,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,395,344.80 : 182,093,017.20 = 84,407,051.20 : x
  2. Step 2: Convert to fraction form
    121,395,344.80/182,093,017.20 = 84,407,051.20/x
  3. Step 3: Cross multiply
    121,395,344.80x = 182,093,017.20 × 84,407,051.20
  4. Step 4: Simplify right side
    121,395,344.80x = 15,369,934,625,962,880
  5. Step 5: Solve for x
    x = 15,369,934,625,962,880/121,395,344.80
  6. Step 6: Final answer
    x = 126,610,576.80

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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.