Home / 193,555,287.40-289,997,007.90-181,462,052.20

Finding the Fourth Proportional to 193,555,287.40, 289,997,007.90 and 181,462,052.20

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Solution

The fourth proportional to 193,555,287.40, 289,997,007.90 and 181,462,052.20 is: 271,878,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555,287.40 : 289,997,007.90 = 181,462,052.20 : x
  2. Step 2: Convert to fraction form
    193,555,287.40/289,997,007.90 = 181,462,052.20/x
  3. Step 3: Cross multiply
    193,555,287.40x = 289,997,007.90 × 181,462,052.20
  4. Step 4: Simplify right side
    193,555,287.40x = 52,623,452,185,393,608
  5. Step 5: Solve for x
    x = 52,623,452,185,393,608/193,555,287.40
  6. Step 6: Final answer
    x = 271,878,143.41

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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.