Home / 74,666,985.20-111,912,004.20-31,536,105.20

Finding the Fourth Proportional to 74,666,985.20, 111,912,004.20 and 31,536,105.20

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Solution

The fourth proportional to 74,666,985.20, 111,912,004.20 and 31,536,105.20 is: 47,266,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,666,985.20 : 111,912,004.20 = 31,536,105.20 : x
  2. Step 2: Convert to fraction form
    74,666,985.20/111,912,004.20 = 31,536,105.20/x
  3. Step 3: Cross multiply
    74,666,985.20x = 111,912,004.20 × 31,536,105.20
  4. Step 4: Simplify right side
    74,666,985.20x = 3,529,268,737,594,042
  5. Step 5: Solve for x
    x = 3,529,268,737,594,042/74,666,985.20
  6. Step 6: Final answer
    x = 47,266,790.38

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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.