Home / 31,140,476.85-42,973,025.47-17,201,531.96

Finding the Fourth Proportional to 31,140,476.85, 42,973,025.47 and 17,201,531.96

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Solution

The fourth proportional to 31,140,476.85, 42,973,025.47 and 17,201,531.96 is: 23,737,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,140,476.85 : 42,973,025.47 = 17,201,531.96 : x
  2. Step 2: Convert to fraction form
    31,140,476.85/42,973,025.47 = 17,201,531.96/x
  3. Step 3: Cross multiply
    31,140,476.85x = 42,973,025.47 × 17,201,531.96
  4. Step 4: Simplify right side
    31,140,476.85x = 739,201,871,040,099
  5. Step 5: Solve for x
    x = 739,201,871,040,099/31,140,476.85
  6. Step 6: Final answer
    x = 23,737,654.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.