Home / 196,683,508.47-271,424,108.62-108,578,230.14

Finding the Fourth Proportional to 196,683,508.47, 271,424,108.62 and 108,578,230.14

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Solution

The fourth proportional to 196,683,508.47, 271,424,108.62 and 108,578,230.14 is: 149,838,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,683,508.47 : 271,424,108.62 = 108,578,230.14 : x
  2. Step 2: Convert to fraction form
    196,683,508.47/271,424,108.62 = 108,578,230.14/x
  3. Step 3: Cross multiply
    196,683,508.47x = 271,424,108.62 × 108,578,230.14
  4. Step 4: Simplify right side
    196,683,508.47x = 29,470,749,330,304,664
  5. Step 5: Solve for x
    x = 29,470,749,330,304,664/196,683,508.47
  6. Step 6: Final answer
    x = 149,838,436.17

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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.