Home / 161,091,786.60-241,794,966.30-80,403,863.40

Finding the Fourth Proportional to 161,091,786.60, 241,794,966.30 and 80,403,863.40

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Solution

The fourth proportional to 161,091,786.60, 241,794,966.30 and 80,403,863.40 is: 120,684,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,091,786.60 : 241,794,966.30 = 80,403,863.40 : x
  2. Step 2: Convert to fraction form
    161,091,786.60/241,794,966.30 = 80,403,863.40/x
  3. Step 3: Cross multiply
    161,091,786.60x = 241,794,966.30 × 80,403,863.40
  4. Step 4: Simplify right side
    161,091,786.60x = 19,441,249,441,192,804
  5. Step 5: Solve for x
    x = 19,441,249,441,192,804/161,091,786.60
  6. Step 6: Final answer
    x = 120,684,299.63

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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.