Home / 51,938,107.20-77,804,517.60-45,555,566.40

Finding the Fourth Proportional to 51,938,107.20, 77,804,517.60 and 45,555,566.40

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Solution

The fourth proportional to 51,938,107.20, 77,804,517.60 and 45,555,566.40 is: 68,243,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938,107.20 : 77,804,517.60 = 45,555,566.40 : x
  2. Step 2: Convert to fraction form
    51,938,107.20/77,804,517.60 = 45,555,566.40/x
  3. Step 3: Cross multiply
    51,938,107.20x = 77,804,517.60 × 45,555,566.40
  4. Step 4: Simplify right side
    51,938,107.20x = 3,544,428,867,746,768.50
  5. Step 5: Solve for x
    x = 3,544,428,867,746,768.50/51,938,107.20
  6. Step 6: Final answer
    x = 68,243,319.96

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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.