Home / 323,364,857.60-485,118,145.20-159,681,029.60

Finding the Fourth Proportional to 323,364,857.60, 485,118,145.20 and 159,681,029.60

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Solution

The fourth proportional to 323,364,857.60, 485,118,145.20 and 159,681,029.60 is: 239,556,535.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,364,857.60 : 485,118,145.20 = 159,681,029.60 : x
  2. Step 2: Convert to fraction form
    323,364,857.60/485,118,145.20 = 159,681,029.60/x
  3. Step 3: Cross multiply
    323,364,857.60x = 485,118,145.20 × 159,681,029.60
  4. Step 4: Simplify right side
    323,364,857.60x = 77,464,164,903,178,288
  5. Step 5: Solve for x
    x = 77,464,164,903,178,288/323,364,857.60
  6. Step 6: Final answer
    x = 239,556,535.23

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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.