Home / 47,635,676.72-65,712,996.30-31,125,453.20

Finding the Fourth Proportional to 47,635,676.72, 65,712,996.30 and 31,125,453.20

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Solution

The fourth proportional to 47,635,676.72, 65,712,996.30 and 31,125,453.20 is: 42,937,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,635,676.72 : 65,712,996.30 = 31,125,453.20 : x
  2. Step 2: Convert to fraction form
    47,635,676.72/65,712,996.30 = 31,125,453.20/x
  3. Step 3: Cross multiply
    47,635,676.72x = 65,712,996.30 × 31,125,453.20
  4. Step 4: Simplify right side
    47,635,676.72x = 2,045,346,791,248,426.25
  5. Step 5: Solve for x
    x = 2,045,346,791,248,426.25/47,635,676.72
  6. Step 6: Final answer
    x = 42,937,288.44

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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.