Home / 139,394,053.19-209,114,900.64-57,468,146.60

Finding the Fourth Proportional to 139,394,053.19, 209,114,900.64 and 57,468,146.60

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Solution

The fourth proportional to 139,394,053.19, 209,114,900.64 and 57,468,146.60 is: 86,212,040.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,394,053.19 : 209,114,900.64 = 57,468,146.60 : x
  2. Step 2: Convert to fraction form
    139,394,053.19/209,114,900.64 = 57,468,146.60/x
  3. Step 3: Cross multiply
    139,394,053.19x = 209,114,900.64 × 57,468,146.60
  4. Step 4: Simplify right side
    139,394,053.19x = 12,017,445,765,178,378
  5. Step 5: Solve for x
    x = 12,017,445,765,178,378/139,394,053.19
  6. Step 6: Final answer
    x = 86,212,040.55

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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.