Home / 276,028,356.78-380,851,191.72-168,710,517.18

Finding the Fourth Proportional to 276,028,356.78, 380,851,191.72 and 168,710,517.18

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Solution

The fourth proportional to 276,028,356.78, 380,851,191.72 and 168,710,517.18 is: 232,778,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,028,356.78 : 380,851,191.72 = 168,710,517.18 : x
  2. Step 2: Convert to fraction form
    276,028,356.78/380,851,191.72 = 168,710,517.18/x
  3. Step 3: Cross multiply
    276,028,356.78x = 380,851,191.72 × 168,710,517.18
  4. Step 4: Simplify right side
    276,028,356.78x = 64,253,601,523,700,544
  5. Step 5: Solve for x
    x = 64,253,601,523,700,544/276,028,356.78
  6. Step 6: Final answer
    x = 232,778,987.90

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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.