Home / 155,448,561.40-233,172,842.10-47,729,188.60

Finding the Fourth Proportional to 155,448,561.40, 233,172,842.10 and 47,729,188.60

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Solution

The fourth proportional to 155,448,561.40, 233,172,842.10 and 47,729,188.60 is: 71,593,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,448,561.40 : 233,172,842.10 = 47,729,188.60 : x
  2. Step 2: Convert to fraction form
    155,448,561.40/233,172,842.10 = 47,729,188.60/x
  3. Step 3: Cross multiply
    155,448,561.40x = 233,172,842.10 × 47,729,188.60
  4. Step 4: Simplify right side
    155,448,561.40x = 11,129,150,556,988,920
  5. Step 5: Solve for x
    x = 11,129,150,556,988,920/155,448,561.40
  6. Step 6: Final answer
    x = 71,593,782.90

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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.