Home / 121,389,074.40-182,083,611.60-119,373,535.20

Finding the Fourth Proportional to 121,389,074.40, 182,083,611.60 and 119,373,535.20

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Solution

The fourth proportional to 121,389,074.40, 182,083,611.60 and 119,373,535.20 is: 179,060,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,389,074.40 : 182,083,611.60 = 119,373,535.20 : x
  2. Step 2: Convert to fraction form
    121,389,074.40/182,083,611.60 = 119,373,535.20/x
  3. Step 3: Cross multiply
    121,389,074.40x = 182,083,611.60 × 119,373,535.20
  4. Step 4: Simplify right side
    121,389,074.40x = 21,735,964,418,675,728
  5. Step 5: Solve for x
    x = 21,735,964,418,675,728/121,389,074.40
  6. Step 6: Final answer
    x = 179,060,302.80

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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.