Home / 322,897,395.67-445,736,143.96-217,112,127.05

Finding the Fourth Proportional to 322,897,395.67, 445,736,143.96 and 217,112,127.05

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Solution

The fourth proportional to 322,897,395.67, 445,736,143.96 and 217,112,127.05 is: 299,707,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,897,395.67 : 445,736,143.96 = 217,112,127.05 : x
  2. Step 2: Convert to fraction form
    322,897,395.67/445,736,143.96 = 217,112,127.05/x
  3. Step 3: Cross multiply
    322,897,395.67x = 445,736,143.96 × 217,112,127.05
  4. Step 4: Simplify right side
    322,897,395.67x = 96,774,722,318,792,176
  5. Step 5: Solve for x
    x = 96,774,722,318,792,176/322,897,395.67
  6. Step 6: Final answer
    x = 299,707,348.58

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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.