Home / 69,877,500.30-104,815,266.30-31,538,952.90

Finding the Fourth Proportional to 69,877,500.30, 104,815,266.30 and 31,538,952.90

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Solution

The fourth proportional to 69,877,500.30, 104,815,266.30 and 31,538,952.90 is: 47,307,985.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877,500.30 : 104,815,266.30 = 31,538,952.90 : x
  2. Step 2: Convert to fraction form
    69,877,500.30/104,815,266.30 = 31,538,952.90/x
  3. Step 3: Cross multiply
    69,877,500.30x = 104,815,266.30 × 31,538,952.90
  4. Step 4: Simplify right side
    69,877,500.30x = 3,305,763,747,036,657
  5. Step 5: Solve for x
    x = 3,305,763,747,036,657/69,877,500.30
  6. Step 6: Final answer
    x = 47,307,985.16

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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.