Home / 69,677,051.18-104,519,644.59-21,156,487.88

Finding the Fourth Proportional to 69,677,051.18, 104,519,644.59 and 21,156,487.88

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Solution

The fourth proportional to 69,677,051.18, 104,519,644.59 and 21,156,487.88 is: 31,735,966.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,677,051.18 : 104,519,644.59 = 21,156,487.88 : x
  2. Step 2: Convert to fraction form
    69,677,051.18/104,519,644.59 = 21,156,487.88/x
  3. Step 3: Cross multiply
    69,677,051.18x = 104,519,644.59 × 21,156,487.88
  4. Step 4: Simplify right side
    69,677,051.18x = 2,211,268,593,990,242.50
  5. Step 5: Solve for x
    x = 2,211,268,593,990,242.50/69,677,051.18
  6. Step 6: Final answer
    x = 31,735,966.96

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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.