Home / 77,433,340.67-116,149,494.38-31,374,530.18

Finding the Fourth Proportional to 77,433,340.67, 116,149,494.38 and 31,374,530.18

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Solution

The fourth proportional to 77,433,340.67, 116,149,494.38 and 31,374,530.18 is: 47,061,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433,340.67 : 116,149,494.38 = 31,374,530.18 : x
  2. Step 2: Convert to fraction form
    77,433,340.67/116,149,494.38 = 31,374,530.18/x
  3. Step 3: Cross multiply
    77,433,340.67x = 116,149,494.38 × 31,374,530.18
  4. Step 4: Simplify right side
    77,433,340.67x = 3,644,135,816,514,991
  5. Step 5: Solve for x
    x = 3,644,135,816,514,991/77,433,340.67
  6. Step 6: Final answer
    x = 47,061,585.94

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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.