Home / 276,769,615.84-381,942,756.57-151,329,906.35

Finding the Fourth Proportional to 276,769,615.84, 381,942,756.57 and 151,329,906.35

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Solution

The fourth proportional to 276,769,615.84, 381,942,756.57 and 151,329,906.35 is: 208,835,646.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,769,615.84 : 381,942,756.57 = 151,329,906.35 : x
  2. Step 2: Convert to fraction form
    276,769,615.84/381,942,756.57 = 151,329,906.35/x
  3. Step 3: Cross multiply
    276,769,615.84x = 381,942,756.57 × 151,329,906.35
  4. Step 4: Simplify right side
    276,769,615.84x = 57,799,361,582,889,008
  5. Step 5: Solve for x
    x = 57,799,361,582,889,008/276,769,615.84
  6. Step 6: Final answer
    x = 208,835,646.24

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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.