Home / 268,023,961.80-369,916,931.26-223,299,012.57

Finding the Fourth Proportional to 268,023,961.80, 369,916,931.26 and 223,299,012.57

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Solution

The fourth proportional to 268,023,961.80, 369,916,931.26 and 223,299,012.57 is: 308,189,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,023,961.80 : 369,916,931.26 = 223,299,012.57 : x
  2. Step 2: Convert to fraction form
    268,023,961.80/369,916,931.26 = 223,299,012.57/x
  3. Step 3: Cross multiply
    268,023,961.80x = 369,916,931.26 × 223,299,012.57
  4. Step 4: Simplify right side
    268,023,961.80x = 82,602,085,482,166,064
  5. Step 5: Solve for x
    x = 82,602,085,482,166,064/268,023,961.80
  6. Step 6: Final answer
    x = 308,189,181.78

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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.