Home / 40,841,152.20-61,261,728.30-31,594,078.80

Finding the Fourth Proportional to 40,841,152.20, 61,261,728.30 and 31,594,078.80

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Solution

The fourth proportional to 40,841,152.20, 61,261,728.30 and 31,594,078.80 is: 47,391,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,841,152.20 : 61,261,728.30 = 31,594,078.80 : x
  2. Step 2: Convert to fraction form
    40,841,152.20/61,261,728.30 = 31,594,078.80/x
  3. Step 3: Cross multiply
    40,841,152.20x = 61,261,728.30 × 31,594,078.80
  4. Step 4: Simplify right side
    40,841,152.20x = 1,935,507,871,334,390
  5. Step 5: Solve for x
    x = 1,935,507,871,334,390/40,841,152.20
  6. Step 6: Final answer
    x = 47,391,118.20

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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.