Home / 84,461,443.73-126,645,980.53-67,065,745.56

Finding the Fourth Proportional to 84,461,443.73, 126,645,980.53 and 67,065,745.56

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Solution

The fourth proportional to 84,461,443.73, 126,645,980.53 and 67,065,745.56 is: 100,561,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,461,443.73 : 126,645,980.53 = 67,065,745.56 : x
  2. Step 2: Convert to fraction form
    84,461,443.73/126,645,980.53 = 67,065,745.56/x
  3. Step 3: Cross multiply
    84,461,443.73x = 126,645,980.53 × 67,065,745.56
  4. Step 4: Simplify right side
    84,461,443.73x = 8,493,607,105,779,107
  5. Step 5: Solve for x
    x = 8,493,607,105,779,107/84,461,443.73
  6. Step 6: Final answer
    x = 100,561,945.56

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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.