Home / 292,105,007.55-403,131,952.23-161,724,815.55

Finding the Fourth Proportional to 292,105,007.55, 403,131,952.23 and 161,724,815.55

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Solution

The fourth proportional to 292,105,007.55, 403,131,952.23 and 161,724,815.55 is: 223,195,217.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,105,007.55 : 403,131,952.23 = 161,724,815.55 : x
  2. Step 2: Convert to fraction form
    292,105,007.55/403,131,952.23 = 161,724,815.55/x
  3. Step 3: Cross multiply
    292,105,007.55x = 403,131,952.23 × 161,724,815.55
  4. Step 4: Simplify right side
    292,105,007.55x = 65,196,440,616,708,168
  5. Step 5: Solve for x
    x = 65,196,440,616,708,168/292,105,007.55
  6. Step 6: Final answer
    x = 223,195,217.24

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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.