Home / 276,599,916.41-381,729,643.79-157,527,543.66

Finding the Fourth Proportional to 276,599,916.41, 381,729,643.79 and 157,527,543.66

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Solution

The fourth proportional to 276,599,916.41, 381,729,643.79 and 157,527,543.66 is: 217,400,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,599,916.41 : 381,729,643.79 = 157,527,543.66 : x
  2. Step 2: Convert to fraction form
    276,599,916.41/381,729,643.79 = 157,527,543.66/x
  3. Step 3: Cross multiply
    276,599,916.41x = 381,729,643.79 × 157,527,543.66
  4. Step 4: Simplify right side
    276,599,916.41x = 60,132,933,130,112,904
  5. Step 5: Solve for x
    x = 60,132,933,130,112,904/276,599,916.41
  6. Step 6: Final answer
    x = 217,400,402.40

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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.