Home / 121,427,556.48-167,543,177.76-74,394,567.36

Finding the Fourth Proportional to 121,427,556.48, 167,543,177.76 and 74,394,567.36

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Solution

The fourth proportional to 121,427,556.48, 167,543,177.76 and 74,394,567.36 is: 102,648,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,427,556.48 : 167,543,177.76 = 74,394,567.36 : x
  2. Step 2: Convert to fraction form
    121,427,556.48/167,543,177.76 = 74,394,567.36/x
  3. Step 3: Cross multiply
    121,427,556.48x = 167,543,177.76 × 74,394,567.36
  4. Step 4: Simplify right side
    121,427,556.48x = 12,464,302,223,574,774
  5. Step 5: Solve for x
    x = 12,464,302,223,574,774/121,427,556.48
  6. Step 6: Final answer
    x = 102,648,052.76

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