Home / 284,968,397.04-393,257,145.60-154,588,205.04

Finding the Fourth Proportional to 284,968,397.04, 393,257,145.60 and 154,588,205.04

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Solution

The fourth proportional to 284,968,397.04, 393,257,145.60 and 154,588,205.04 is: 213,332,133.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,968,397.04 : 393,257,145.60 = 154,588,205.04 : x
  2. Step 2: Convert to fraction form
    284,968,397.04/393,257,145.60 = 154,588,205.04/x
  3. Step 3: Cross multiply
    284,968,397.04x = 393,257,145.60 × 154,588,205.04
  4. Step 4: Simplify right side
    284,968,397.04x = 60,792,916,257,457,936
  5. Step 5: Solve for x
    x = 60,792,916,257,457,936/284,968,397.04
  6. Step 6: Final answer
    x = 213,332,133.98

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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.