Home / 65,961,018.78-91,027,881.16-36,191,658.95

Finding the Fourth Proportional to 65,961,018.78, 91,027,881.16 and 36,191,658.95

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Solution

The fourth proportional to 65,961,018.78, 91,027,881.16 and 36,191,658.95 is: 49,945,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,961,018.78 : 91,027,881.16 = 36,191,658.95 : x
  2. Step 2: Convert to fraction form
    65,961,018.78/91,027,881.16 = 36,191,658.95/x
  3. Step 3: Cross multiply
    65,961,018.78x = 91,027,881.16 × 36,191,658.95
  4. Step 4: Simplify right side
    65,961,018.78x = 3,294,450,030,217,133.50
  5. Step 5: Solve for x
    x = 3,294,450,030,217,133.50/65,961,018.78
  6. Step 6: Final answer
    x = 49,945,408.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.