Home / 54,391,106.70-81,563,040.45-17,985,429.90

Finding the Fourth Proportional to 54,391,106.70, 81,563,040.45 and 17,985,429.90

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Solution

The fourth proportional to 54,391,106.70, 81,563,040.45 and 17,985,429.90 is: 26,970,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,391,106.70 : 81,563,040.45 = 17,985,429.90 : x
  2. Step 2: Convert to fraction form
    54,391,106.70/81,563,040.45 = 17,985,429.90/x
  3. Step 3: Cross multiply
    54,391,106.70x = 81,563,040.45 × 17,985,429.90
  4. Step 4: Simplify right side
    54,391,106.70x = 1,466,946,346,444,339.50
  5. Step 5: Solve for x
    x = 1,466,946,346,444,339.50/54,391,106.70
  6. Step 6: Final answer
    x = 26,970,334.59

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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.