Home / 79,037,605-118,433,974.38-54,823,607.56

Finding the Fourth Proportional to 79,037,605, 118,433,974.38 and 54,823,607.56

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Solution

The fourth proportional to 79,037,605, 118,433,974.38 and 54,823,607.56 is: 82,150,486.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,037,605 : 118,433,974.38 = 54,823,607.56 : x
  2. Step 2: Convert to fraction form
    79,037,605/118,433,974.38 = 54,823,607.56/x
  3. Step 3: Cross multiply
    79,037,605x = 118,433,974.38 × 54,823,607.56
  4. Step 4: Simplify right side
    79,037,605x = 6,492,977,733,180,214
  5. Step 5: Solve for x
    x = 6,492,977,733,180,214/79,037,605
  6. Step 6: Final answer
    x = 82,150,486.89

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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.