Home / 196,220,362.41-294,315,098.54-85,553,420.69

Finding the Fourth Proportional to 196,220,362.41, 294,315,098.54 and 85,553,420.69

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Solution

The fourth proportional to 196,220,362.41, 294,315,098.54 and 85,553,420.69 is: 128,323,396.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,220,362.41 : 294,315,098.54 = 85,553,420.69 : x
  2. Step 2: Convert to fraction form
    196,220,362.41/294,315,098.54 = 85,553,420.69/x
  3. Step 3: Cross multiply
    196,220,362.41x = 294,315,098.54 × 85,553,420.69
  4. Step 4: Simplify right side
    196,220,362.41x = 25,179,663,441,119,448
  5. Step 5: Solve for x
    x = 25,179,663,441,119,448/196,220,362.41
  6. Step 6: Final answer
    x = 128,323,396.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.