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Finding the Fourth Proportional to 133,619,625.30, 187,322,567.10 and 133,619,625.30

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Solution

The fourth proportional to 133,619,625.30, 187,322,567.10 and 133,619,625.30 is: 187,322,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,619,625.30 : 187,322,567.10 = 133,619,625.30 : x
  2. Step 2: Convert to fraction form
    133,619,625.30/187,322,567.10 = 133,619,625.30/x
  3. Step 3: Cross multiply
    133,619,625.30x = 187,322,567.10 × 133,619,625.30
  4. Step 4: Simplify right side
    133,619,625.30x = 25,029,971,226,136,108
  5. Step 5: Solve for x
    x = 25,029,971,226,136,108/133,619,625.30
  6. Step 6: Final answer
    x = 187,322,567.10

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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.