Home / 139,623,475.15-209,435,212.73-124,557,122.80

Finding the Fourth Proportional to 139,623,475.15, 209,435,212.73 and 124,557,122.80

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Solution

The fourth proportional to 139,623,475.15, 209,435,212.73 and 124,557,122.80 is: 186,835,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,623,475.15 : 209,435,212.73 = 124,557,122.80 : x
  2. Step 2: Convert to fraction form
    139,623,475.15/209,435,212.73 = 124,557,122.80/x
  3. Step 3: Cross multiply
    139,623,475.15x = 209,435,212.73 × 124,557,122.80
  4. Step 4: Simplify right side
    139,623,475.15x = 26,086,647,510,654,732
  5. Step 5: Solve for x
    x = 26,086,647,510,654,732/139,623,475.15
  6. Step 6: Final answer
    x = 186,835,684.20

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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.