Home / 193,914,892.80-290,872,339.20-155,651,140.80

Finding the Fourth Proportional to 193,914,892.80, 290,872,339.20 and 155,651,140.80

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Solution

The fourth proportional to 193,914,892.80, 290,872,339.20 and 155,651,140.80 is: 233,476,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,914,892.80 : 290,872,339.20 = 155,651,140.80 : x
  2. Step 2: Convert to fraction form
    193,914,892.80/290,872,339.20 = 155,651,140.80/x
  3. Step 3: Cross multiply
    193,914,892.80x = 290,872,339.20 × 155,651,140.80
  4. Step 4: Simplify right side
    193,914,892.80x = 45,274,611,423,644,560
  5. Step 5: Solve for x
    x = 45,274,611,423,644,560/193,914,892.80
  6. Step 6: Final answer
    x = 233,476,711.20

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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.