Home / 166,031,390.40-248,375,239.20-145,875,998.40

Finding the Fourth Proportional to 166,031,390.40, 248,375,239.20 and 145,875,998.40

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Solution

The fourth proportional to 166,031,390.40, 248,375,239.20 and 145,875,998.40 is: 218,223,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,031,390.40 : 248,375,239.20 = 145,875,998.40 : x
  2. Step 2: Convert to fraction form
    166,031,390.40/248,375,239.20 = 145,875,998.40/x
  3. Step 3: Cross multiply
    166,031,390.40x = 248,375,239.20 × 145,875,998.40
  4. Step 4: Simplify right side
    166,031,390.40x = 36,231,985,996,138,816
  5. Step 5: Solve for x
    x = 36,231,985,996,138,816/166,031,390.40
  6. Step 6: Final answer
    x = 218,223,710.04

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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.