Home / 132,988,053.80-199,482,080.70-111,942,990.20

Finding the Fourth Proportional to 132,988,053.80, 199,482,080.70 and 111,942,990.20

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Solution

The fourth proportional to 132,988,053.80, 199,482,080.70 and 111,942,990.20 is: 167,914,485.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,988,053.80 : 199,482,080.70 = 111,942,990.20 : x
  2. Step 2: Convert to fraction form
    132,988,053.80/199,482,080.70 = 111,942,990.20/x
  3. Step 3: Cross multiply
    132,988,053.80x = 199,482,080.70 × 111,942,990.20
  4. Step 4: Simplify right side
    132,988,053.80x = 22,330,620,604,875,708
  5. Step 5: Solve for x
    x = 22,330,620,604,875,708/132,988,053.80
  6. Step 6: Final answer
    x = 167,914,485.30

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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.