Home / 69,766,745.60-104,712,326.40-40,976,883.20

Finding the Fourth Proportional to 69,766,745.60, 104,712,326.40 and 40,976,883.20

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Solution

The fourth proportional to 69,766,745.60, 104,712,326.40 and 40,976,883.20 is: 61,501,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,766,745.60 : 104,712,326.40 = 40,976,883.20 : x
  2. Step 2: Convert to fraction form
    69,766,745.60/104,712,326.40 = 40,976,883.20/x
  3. Step 3: Cross multiply
    69,766,745.60x = 104,712,326.40 × 40,976,883.20
  4. Step 4: Simplify right side
    69,766,745.60x = 4,290,784,768,493,077
  5. Step 5: Solve for x
    x = 4,290,784,768,493,077/69,766,745.60
  6. Step 6: Final answer
    x = 61,501,862.12

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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.