Home / 192,009,274.80-288,013,912.20-140,990,938.80

Finding the Fourth Proportional to 192,009,274.80, 288,013,912.20 and 140,990,938.80

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Solution

The fourth proportional to 192,009,274.80, 288,013,912.20 and 140,990,938.80 is: 211,486,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009,274.80 : 288,013,912.20 = 140,990,938.80 : x
  2. Step 2: Convert to fraction form
    192,009,274.80/288,013,912.20 = 140,990,938.80/x
  3. Step 3: Cross multiply
    192,009,274.80x = 288,013,912.20 × 140,990,938.80
  4. Step 4: Simplify right side
    192,009,274.80x = 40,607,351,868,538,776
  5. Step 5: Solve for x
    x = 40,607,351,868,538,776/192,009,274.80
  6. Step 6: Final answer
    x = 211,486,408.20

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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.