Home / 74,871,280.20-112,218,446.70-31,740,400.20

Finding the Fourth Proportional to 74,871,280.20, 112,218,446.70 and 31,740,400.20

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Solution

The fourth proportional to 74,871,280.20, 112,218,446.70 and 31,740,400.20 is: 47,573,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,280.20 : 112,218,446.70 = 31,740,400.20 : x
  2. Step 2: Convert to fraction form
    74,871,280.20/112,218,446.70 = 31,740,400.20/x
  3. Step 3: Cross multiply
    74,871,280.20x = 112,218,446.70 × 31,740,400.20
  4. Step 4: Simplify right side
    74,871,280.20x = 3,561,858,408,080,369.50
  5. Step 5: Solve for x
    x = 3,561,858,408,080,369.50/74,871,280.20
  6. Step 6: Final answer
    x = 47,573,093.43

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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.