Home / 196,683,509.47-271,424,110-108,578,231.14

Finding the Fourth Proportional to 196,683,509.47, 271,424,110 and 108,578,231.14

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Solution

The fourth proportional to 196,683,509.47, 271,424,110 and 108,578,231.14 is: 149,838,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,683,509.47 : 271,424,110 = 108,578,231.14 : x
  2. Step 2: Convert to fraction form
    196,683,509.47/271,424,110 = 108,578,231.14/x
  3. Step 3: Cross multiply
    196,683,509.47x = 271,424,110 × 108,578,231.14
  4. Step 4: Simplify right side
    196,683,509.47x = 29,470,749,752,548,784
  5. Step 5: Solve for x
    x = 29,470,749,752,548,784/196,683,509.47
  6. Step 6: Final answer
    x = 149,838,437.56

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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.