Home / 133,105,063.75-199,661,663.06-45,665,354.18

Finding the Fourth Proportional to 133,105,063.75, 199,661,663.06 and 45,665,354.18

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Solution

The fourth proportional to 133,105,063.75, 199,661,663.06 and 45,665,354.18 is: 68,499,426.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105,063.75 : 199,661,663.06 = 45,665,354.18 : x
  2. Step 2: Convert to fraction form
    133,105,063.75/199,661,663.06 = 45,665,354.18/x
  3. Step 3: Cross multiply
    133,105,063.75x = 199,661,663.06 × 45,665,354.18
  4. Step 4: Simplify right side
    133,105,063.75x = 9,117,620,559,802,722
  5. Step 5: Solve for x
    x = 9,117,620,559,802,722/133,105,063.75
  6. Step 6: Final answer
    x = 68,499,426.72

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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.