Home / 79,715,005.40-119,566,287.30-31,183,434.20

Finding the Fourth Proportional to 79,715,005.40, 119,566,287.30 and 31,183,434.20

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Solution

The fourth proportional to 79,715,005.40, 119,566,287.30 and 31,183,434.20 is: 46,772,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,715,005.40 : 119,566,287.30 = 31,183,434.20 : x
  2. Step 2: Convert to fraction form
    79,715,005.40/119,566,287.30 = 31,183,434.20/x
  3. Step 3: Cross multiply
    79,715,005.40x = 119,566,287.30 × 31,183,434.20
  4. Step 4: Simplify right side
    79,715,005.40x = 3,728,487,452,557,845.50
  5. Step 5: Solve for x
    x = 3,728,487,452,557,845.50/79,715,005.40
  6. Step 6: Final answer
    x = 46,772,717.81

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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.