Home / 111,374,610.63-153,698,600.30-61,818,163.85

Finding the Fourth Proportional to 111,374,610.63, 153,698,600.30 and 61,818,163.85

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Solution

The fourth proportional to 111,374,610.63, 153,698,600.30 and 61,818,163.85 is: 85,309,975.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,374,610.63 : 153,698,600.30 = 61,818,163.85 : x
  2. Step 2: Convert to fraction form
    111,374,610.63/153,698,600.30 = 61,818,163.85/x
  3. Step 3: Cross multiply
    111,374,610.63x = 153,698,600.30 × 61,818,163.85
  4. Step 4: Simplify right side
    111,374,610.63x = 9,501,365,255,783,474
  5. Step 5: Solve for x
    x = 9,501,365,255,783,474/111,374,610.63
  6. Step 6: Final answer
    x = 85,309,975.07

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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.