Home / 31,653,108.81-43,681,290.16-17,166,420.81

Finding the Fourth Proportional to 31,653,108.81, 43,681,290.16 and 17,166,420.81

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Solution

The fourth proportional to 31,653,108.81, 43,681,290.16 and 17,166,420.81 is: 23,689,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653,108.81 : 43,681,290.16 = 17,166,420.81 : x
  2. Step 2: Convert to fraction form
    31,653,108.81/43,681,290.16 = 17,166,420.81/x
  3. Step 3: Cross multiply
    31,653,108.81x = 43,681,290.16 × 17,166,420.81
  4. Step 4: Simplify right side
    31,653,108.81x = 749,851,408,277,753
  5. Step 5: Solve for x
    x = 749,851,408,277,753/31,653,108.81
  6. Step 6: Final answer
    x = 23,689,660.72

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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.