Home / 215,838,139.80-323,757,209.70-151,214,914.20

Finding the Fourth Proportional to 215,838,139.80, 323,757,209.70 and 151,214,914.20

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Solution

The fourth proportional to 215,838,139.80, 323,757,209.70 and 151,214,914.20 is: 226,822,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,838,139.80 : 323,757,209.70 = 151,214,914.20 : x
  2. Step 2: Convert to fraction form
    215,838,139.80/323,757,209.70 = 151,214,914.20/x
  3. Step 3: Cross multiply
    215,838,139.80x = 323,757,209.70 × 151,214,914.20
  4. Step 4: Simplify right side
    215,838,139.80x = 48,956,918,686,416,904
  5. Step 5: Solve for x
    x = 48,956,918,686,416,904/215,838,139.80
  6. Step 6: Final answer
    x = 226,822,371.30

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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.