Home / 51,938,122.20-77,804,540.10-45,555,581.40

Finding the Fourth Proportional to 51,938,122.20, 77,804,540.10 and 45,555,581.40

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Solution

The fourth proportional to 51,938,122.20, 77,804,540.10 and 45,555,581.40 is: 68,243,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938,122.20 : 77,804,540.10 = 45,555,581.40 : x
  2. Step 2: Convert to fraction form
    51,938,122.20/77,804,540.10 = 45,555,581.40/x
  3. Step 3: Cross multiply
    51,938,122.20x = 77,804,540.10 × 45,555,581.40
  4. Step 4: Simplify right side
    51,938,122.20x = 3,544,431,059,815,114
  5. Step 5: Solve for x
    x = 3,544,431,059,815,114/51,938,122.20
  6. Step 6: Final answer
    x = 68,243,342.46

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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.