Home / 70,723,329.66-106,085,021.22-31,816,335.06

Finding the Fourth Proportional to 70,723,329.66, 106,085,021.22 and 31,816,335.06

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Solution

The fourth proportional to 70,723,329.66, 106,085,021.22 and 31,816,335.06 is: 47,724,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,723,329.66 : 106,085,021.22 = 31,816,335.06 : x
  2. Step 2: Convert to fraction form
    70,723,329.66/106,085,021.22 = 31,816,335.06/x
  3. Step 3: Cross multiply
    70,723,329.66x = 106,085,021.22 × 31,816,335.06
  4. Step 4: Simplify right side
    70,723,329.66x = 3,375,236,579,982,730
  5. Step 5: Solve for x
    x = 3,375,236,579,982,730/70,723,329.66
  6. Step 6: Final answer
    x = 47,724,514.62

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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.