Home / 164,016,228.30-246,024,342.45-66,939,672.30

Finding the Fourth Proportional to 164,016,228.30, 246,024,342.45 and 66,939,672.30

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Solution

The fourth proportional to 164,016,228.30, 246,024,342.45 and 66,939,672.30 is: 100,409,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,016,228.30 : 246,024,342.45 = 66,939,672.30 : x
  2. Step 2: Convert to fraction form
    164,016,228.30/246,024,342.45 = 66,939,672.30/x
  3. Step 3: Cross multiply
    164,016,228.30x = 246,024,342.45 × 66,939,672.30
  4. Step 4: Simplify right side
    164,016,228.30x = 16,468,788,861,425,978
  5. Step 5: Solve for x
    x = 16,468,788,861,425,978/164,016,228.30
  6. Step 6: Final answer
    x = 100,409,508.45

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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.