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Finding the Fourth Proportional to 52,146,171.90, 73,155,806.10 and 52,146,171.90

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Solution

The fourth proportional to 52,146,171.90, 73,155,806.10 and 52,146,171.90 is: 73,155,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,146,171.90 : 73,155,806.10 = 52,146,171.90 : x
  2. Step 2: Convert to fraction form
    52,146,171.90/73,155,806.10 = 52,146,171.90/x
  3. Step 3: Cross multiply
    52,146,171.90x = 73,155,806.10 × 52,146,171.90
  4. Step 4: Simplify right side
    52,146,171.90x = 3,814,795,240,373,668
  5. Step 5: Solve for x
    x = 3,814,795,240,373,668/52,146,171.90
  6. Step 6: Final answer
    x = 73,155,806.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.