Home / 105,919,899.18-146,171,208.78-58,237,168.22

Finding the Fourth Proportional to 105,919,899.18, 146,171,208.78 and 58,237,168.22

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Solution

The fourth proportional to 105,919,899.18, 146,171,208.78 and 58,237,168.22 is: 80,368,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919,899.18 : 146,171,208.78 = 58,237,168.22 : x
  2. Step 2: Convert to fraction form
    105,919,899.18/146,171,208.78 = 58,237,168.22/x
  3. Step 3: Cross multiply
    105,919,899.18x = 146,171,208.78 × 58,237,168.22
  4. Step 4: Simplify right side
    105,919,899.18x = 8,512,597,274,641,601
  5. Step 5: Solve for x
    x = 8,512,597,274,641,601/105,919,899.18
  6. Step 6: Final answer
    x = 80,368,253.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.