Home / 111,374,610.26-153,698,599.78-61,818,163.47

Finding the Fourth Proportional to 111,374,610.26, 153,698,599.78 and 61,818,163.47

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Solution

The fourth proportional to 111,374,610.26, 153,698,599.78 and 61,818,163.47 is: 85,309,974.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,374,610.26 : 153,698,599.78 = 61,818,163.47 : x
  2. Step 2: Convert to fraction form
    111,374,610.26/153,698,599.78 = 61,818,163.47/x
  3. Step 3: Cross multiply
    111,374,610.26x = 153,698,599.78 × 61,818,163.47
  4. Step 4: Simplify right side
    111,374,610.26x = 9,501,365,166,155,600
  5. Step 5: Solve for x
    x = 9,501,365,166,155,600/111,374,610.26
  6. Step 6: Final answer
    x = 85,309,974.55

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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.