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Finding the Fourth Proportional to 250,745,772.02, 375,145,525.04 and 219,807,638.96

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Solution

The fourth proportional to 250,745,772.02, 375,145,525.04 and 219,807,638.96 is: 328,858,394.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,745,772.02 : 375,145,525.04 = 219,807,638.96 : x
  2. Step 2: Convert to fraction form
    250,745,772.02/375,145,525.04 = 219,807,638.96/x
  3. Step 3: Cross multiply
    250,745,772.02x = 375,145,525.04 × 219,807,638.96
  4. Step 4: Simplify right side
    250,745,772.02x = 82,459,852,122,477,200
  5. Step 5: Solve for x
    x = 82,459,852,122,477,200/250,745,772.02
  6. Step 6: Final answer
    x = 328,858,394.94

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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.