Home / 162,040,021.98-223,615,833.75-88,707,987.42

Finding the Fourth Proportional to 162,040,021.98, 223,615,833.75 and 88,707,987.42

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Solution

The fourth proportional to 162,040,021.98, 223,615,833.75 and 88,707,987.42 is: 122,417,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,040,021.98 : 223,615,833.75 = 88,707,987.42 : x
  2. Step 2: Convert to fraction form
    162,040,021.98/223,615,833.75 = 88,707,987.42/x
  3. Step 3: Cross multiply
    162,040,021.98x = 223,615,833.75 × 88,707,987.42
  4. Step 4: Simplify right side
    162,040,021.98x = 19,836,510,567,207,812
  5. Step 5: Solve for x
    x = 19,836,510,567,207,812/162,040,021.98
  6. Step 6: Final answer
    x = 122,417,352.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.