Home / 276,487,407.45-381,564,208.17-159,012,817.20

Finding the Fourth Proportional to 276,487,407.45, 381,564,208.17 and 159,012,817.20

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Solution

The fourth proportional to 276,487,407.45, 381,564,208.17 and 159,012,817.20 is: 219,444,350.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,487,407.45 : 381,564,208.17 = 159,012,817.20 : x
  2. Step 2: Convert to fraction form
    276,487,407.45/381,564,208.17 = 159,012,817.20/x
  3. Step 3: Cross multiply
    276,487,407.45x = 381,564,208.17 × 159,012,817.20
  4. Step 4: Simplify right side
    276,487,407.45x = 60,673,599,683,798,952
  5. Step 5: Solve for x
    x = 60,673,599,683,798,952/276,487,407.45
  6. Step 6: Final answer
    x = 219,444,350.99

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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.