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Finding the Fourth Proportional to 189,558,412.90, 266,147,053.10 and 189,558,412.90

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Solution

The fourth proportional to 189,558,412.90, 266,147,053.10 and 189,558,412.90 is: 266,147,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,558,412.90 : 266,147,053.10 = 189,558,412.90 : x
  2. Step 2: Convert to fraction form
    189,558,412.90/266,147,053.10 = 189,558,412.90/x
  3. Step 3: Cross multiply
    189,558,412.90x = 266,147,053.10 × 189,558,412.90
  4. Step 4: Simplify right side
    189,558,412.90x = 50,450,412,983,648,024
  5. Step 5: Solve for x
    x = 50,450,412,983,648,024/189,558,412.90
  6. Step 6: Final answer
    x = 266,147,053.10

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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.