Home / 287,016,241.92-396,095,292.64-161,611,562.40

Finding the Fourth Proportional to 287,016,241.92, 396,095,292.64 and 161,611,562.40

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Solution

The fourth proportional to 287,016,241.92, 396,095,292.64 and 161,611,562.40 is: 223,031,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,016,241.92 : 396,095,292.64 = 161,611,562.40 : x
  2. Step 2: Convert to fraction form
    287,016,241.92/396,095,292.64 = 161,611,562.40/x
  3. Step 3: Cross multiply
    287,016,241.92x = 396,095,292.64 × 161,611,562.40
  4. Step 4: Simplify right side
    287,016,241.92x = 64,013,579,102,835,624
  5. Step 5: Solve for x
    x = 64,013,579,102,835,624/287,016,241.92
  6. Step 6: Final answer
    x = 223,031,207.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.