Home / 75,858,474.56-113,774,877.74-21,258,493.82

Finding the Fourth Proportional to 75,858,474.56, 113,774,877.74 and 21,258,493.82

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Solution

The fourth proportional to 75,858,474.56, 113,774,877.74 and 21,258,493.82 is: 31,884,144.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,858,474.56 : 113,774,877.74 = 21,258,493.82 : x
  2. Step 2: Convert to fraction form
    75,858,474.56/113,774,877.74 = 21,258,493.82/x
  3. Step 3: Cross multiply
    75,858,474.56x = 113,774,877.74 × 21,258,493.82
  4. Step 4: Simplify right side
    75,858,474.56x = 2,418,682,535,307,045.50
  5. Step 5: Solve for x
    x = 2,418,682,535,307,045.50/75,858,474.56
  6. Step 6: Final answer
    x = 31,884,144.12

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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.