Home / 61,157,777.03-91,751,032.79-20,217,212.77

Finding the Fourth Proportional to 61,157,777.03, 91,751,032.79 and 20,217,212.77

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Solution

The fourth proportional to 61,157,777.03, 91,751,032.79 and 20,217,212.77 is: 30,330,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157,777.03 : 91,751,032.79 = 20,217,212.77 : x
  2. Step 2: Convert to fraction form
    61,157,777.03/91,751,032.79 = 20,217,212.77/x
  3. Step 3: Cross multiply
    61,157,777.03x = 91,751,032.79 × 20,217,212.77
  4. Step 4: Simplify right side
    61,157,777.03x = 1,854,950,151,509,117.25
  5. Step 5: Solve for x
    x = 1,854,950,151,509,117.25/61,157,777.03
  6. Step 6: Final answer
    x = 30,330,568.60

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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.