Home / 75,858,472.18-113,774,874.18-21,258,491.45

Finding the Fourth Proportional to 75,858,472.18, 113,774,874.18 and 21,258,491.45

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Solution

The fourth proportional to 75,858,472.18, 113,774,874.18 and 21,258,491.45 is: 31,884,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,858,472.18 : 113,774,874.18 = 21,258,491.45 : x
  2. Step 2: Convert to fraction form
    75,858,472.18/113,774,874.18 = 21,258,491.45/x
  3. Step 3: Cross multiply
    75,858,472.18x = 113,774,874.18 × 21,258,491.45
  4. Step 4: Simplify right side
    75,858,472.18x = 2,418,682,189,331,762
  5. Step 5: Solve for x
    x = 2,418,682,189,331,762/75,858,472.18
  6. Step 6: Final answer
    x = 31,884,140.56

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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.