Home / 31,120,801.60-46,681,202.40-15,815,300.80

Finding the Fourth Proportional to 31,120,801.60, 46,681,202.40 and 15,815,300.80

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Solution

The fourth proportional to 31,120,801.60, 46,681,202.40 and 15,815,300.80 is: 23,722,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,120,801.60 : 46,681,202.40 = 15,815,300.80 : x
  2. Step 2: Convert to fraction form
    31,120,801.60/46,681,202.40 = 15,815,300.80/x
  3. Step 3: Cross multiply
    31,120,801.60x = 46,681,202.40 × 15,815,300.80
  4. Step 4: Simplify right side
    31,120,801.60x = 738,277,257,661,681.88
  5. Step 5: Solve for x
    x = 738,277,257,661,681.88/31,120,801.60
  6. Step 6: Final answer
    x = 23,722,951.20

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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.