Home / 51,938,107.70-77,804,518.35-45,555,566.90

Finding the Fourth Proportional to 51,938,107.70, 77,804,518.35 and 45,555,566.90

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Solution

The fourth proportional to 51,938,107.70, 77,804,518.35 and 45,555,566.90 is: 68,243,320.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938,107.70 : 77,804,518.35 = 45,555,566.90 : x
  2. Step 2: Convert to fraction form
    51,938,107.70/77,804,518.35 = 45,555,566.90/x
  3. Step 3: Cross multiply
    51,938,107.70x = 77,804,518.35 × 45,555,566.90
  4. Step 4: Simplify right side
    51,938,107.70x = 3,544,428,940,815,702
  5. Step 5: Solve for x
    x = 3,544,428,940,815,702/51,938,107.70
  6. Step 6: Final answer
    x = 68,243,320.71

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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.