Home / 61,121,811.82-84,340,444.55-41,318,664.90

Finding the Fourth Proportional to 61,121,811.82, 84,340,444.55 and 41,318,664.90

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Solution

The fourth proportional to 61,121,811.82, 84,340,444.55 and 41,318,664.90 is: 57,014,582.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,121,811.82 : 84,340,444.55 = 41,318,664.90 : x
  2. Step 2: Convert to fraction form
    61,121,811.82/84,340,444.55 = 41,318,664.90/x
  3. Step 3: Cross multiply
    61,121,811.82x = 84,340,444.55 × 41,318,664.90
  4. Step 4: Simplify right side
    61,121,811.82x = 3,484,834,565,456,779
  5. Step 5: Solve for x
    x = 3,484,834,565,456,779/61,121,811.82
  6. Step 6: Final answer
    x = 57,014,582.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.