Home / 284,523,574.16-392,642,930.76-154,143,382.16

Finding the Fourth Proportional to 284,523,574.16, 392,642,930.76 and 154,143,382.16

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Solution

The fourth proportional to 284,523,574.16, 392,642,930.76 and 154,143,382.16 is: 212,718,083.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,523,574.16 : 392,642,930.76 = 154,143,382.16 : x
  2. Step 2: Convert to fraction form
    284,523,574.16/392,642,930.76 = 154,143,382.16/x
  3. Step 3: Cross multiply
    284,523,574.16x = 392,642,930.76 × 154,143,382.16
  4. Step 4: Simplify right side
    284,523,574.16x = 60,523,309,328,561,096
  5. Step 5: Solve for x
    x = 60,523,309,328,561,096/284,523,574.16
  6. Step 6: Final answer
    x = 212,718,083.23

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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.