Home / 121,456,342.44-182,038,140.81-55,786,860.82

Finding the Fourth Proportional to 121,456,342.44, 182,038,140.81 and 55,786,860.82

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Solution

The fourth proportional to 121,456,342.44, 182,038,140.81 and 55,786,860.82 is: 83,613,059.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,456,342.44 : 182,038,140.81 = 55,786,860.82 : x
  2. Step 2: Convert to fraction form
    121,456,342.44/182,038,140.81 = 55,786,860.82/x
  3. Step 3: Cross multiply
    121,456,342.44x = 182,038,140.81 × 55,786,860.82
  4. Step 4: Simplify right side
    121,456,342.44x = 10,155,336,425,299,032
  5. Step 5: Solve for x
    x = 10,155,336,425,299,032/121,456,342.44
  6. Step 6: Final answer
    x = 83,613,059.81

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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.