Home / 166,031,411.40-248,375,270.70-145,876,019.40

Finding the Fourth Proportional to 166,031,411.40, 248,375,270.70 and 145,876,019.40

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Solution

The fourth proportional to 166,031,411.40, 248,375,270.70 and 145,876,019.40 is: 218,223,741.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,031,411.40 : 248,375,270.70 = 145,876,019.40 : x
  2. Step 2: Convert to fraction form
    166,031,411.40/248,375,270.70 = 145,876,019.40/x
  3. Step 3: Cross multiply
    166,031,411.40x = 248,375,270.70 × 145,876,019.40
  4. Step 4: Simplify right side
    166,031,411.40x = 36,231,995,807,113,448
  5. Step 5: Solve for x
    x = 36,231,995,807,113,448/166,031,411.40
  6. Step 6: Final answer
    x = 218,223,741.53

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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.