Home / 77,433,644.31-116,149,949.78-31,374,833.82

Finding the Fourth Proportional to 77,433,644.31, 116,149,949.78 and 31,374,833.82

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Solution

The fourth proportional to 77,433,644.31, 116,149,949.78 and 31,374,833.82 is: 47,062,041.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,433,644.31 : 116,149,949.78 = 31,374,833.82 : x
  2. Step 2: Convert to fraction form
    77,433,644.31/116,149,949.78 = 31,374,833.82/x
  3. Step 3: Cross multiply
    77,433,644.31x = 116,149,949.78 × 31,374,833.82
  4. Step 4: Simplify right side
    77,433,644.31x = 3,644,185,371,811,222
  5. Step 5: Solve for x
    x = 3,644,185,371,811,222/77,433,644.31
  6. Step 6: Final answer
    x = 47,062,041.37

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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.