Home / 306,914,338.80-423,536,831.64-167,682,103.92

Finding the Fourth Proportional to 306,914,338.80, 423,536,831.64 and 167,682,103.92

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Solution

The fourth proportional to 306,914,338.80, 423,536,831.64 and 167,682,103.92 is: 231,398,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,914,338.80 : 423,536,831.64 = 167,682,103.92 : x
  2. Step 2: Convert to fraction form
    306,914,338.80/423,536,831.64 = 167,682,103.92/x
  3. Step 3: Cross multiply
    306,914,338.80x = 423,536,831.64 × 167,682,103.92
  4. Step 4: Simplify right side
    306,914,338.80x = 71,019,547,017,006,016
  5. Step 5: Solve for x
    x = 71,019,547,017,006,016/306,914,338.80
  6. Step 6: Final answer
    x = 231,398,595.76

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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.