Home / 110,274,459.24-152,225,854.92-78,505,137.36

Finding the Fourth Proportional to 110,274,459.24, 152,225,854.92 and 78,505,137.36

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Solution

The fourth proportional to 110,274,459.24, 152,225,854.92 and 78,505,137.36 is: 108,370,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,274,459.24 : 152,225,854.92 = 78,505,137.36 : x
  2. Step 2: Convert to fraction form
    110,274,459.24/152,225,854.92 = 78,505,137.36/x
  3. Step 3: Cross multiply
    110,274,459.24x = 152,225,854.92 × 78,505,137.36
  4. Step 4: Simplify right side
    110,274,459.24x = 11,950,511,650,238,030
  5. Step 5: Solve for x
    x = 11,950,511,650,238,030/110,274,459.24
  6. Step 6: Final answer
    x = 108,370,621.20

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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.