Home / 276,253,047.99-381,215,816.10-157,164,424.47

Finding the Fourth Proportional to 276,253,047.99, 381,215,816.10 and 157,164,424.47

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Solution

The fourth proportional to 276,253,047.99, 381,215,816.10 and 157,164,424.47 is: 216,879,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,253,047.99 : 381,215,816.10 = 157,164,424.47 : x
  2. Step 2: Convert to fraction form
    276,253,047.99/381,215,816.10 = 157,164,424.47/x
  3. Step 3: Cross multiply
    276,253,047.99x = 381,215,816.10 × 157,164,424.47
  4. Step 4: Simplify right side
    276,253,047.99x = 59,913,564,336,217,864
  5. Step 5: Solve for x
    x = 59,913,564,336,217,864/276,253,047.99
  6. Step 6: Final answer
    x = 216,879,287.93

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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.