Home / 284,968,067.20-393,256,688.64-154,587,875.20

Finding the Fourth Proportional to 284,968,067.20, 393,256,688.64 and 154,587,875.20

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Solution

The fourth proportional to 284,968,067.20, 393,256,688.64 and 154,587,875.20 is: 213,331,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,968,067.20 : 393,256,688.64 = 154,587,875.20 : x
  2. Step 2: Convert to fraction form
    284,968,067.20/393,256,688.64 = 154,587,875.20/x
  3. Step 3: Cross multiply
    284,968,067.20x = 393,256,688.64 × 154,587,875.20
  4. Step 4: Simplify right side
    284,968,067.20x = 60,792,715,905,045,568
  5. Step 5: Solve for x
    x = 60,792,715,905,045,568/284,968,067.20
  6. Step 6: Final answer
    x = 213,331,677.83

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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.