Home / 118,187,586.36-161,916,238.11-113,767,920

Finding the Fourth Proportional to 118,187,586.36, 161,916,238.11 and 113,767,920

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Solution

The fourth proportional to 118,187,586.36, 161,916,238.11 and 113,767,920 is: 155,861,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187,586.36 : 161,916,238.11 = 113,767,920 : x
  2. Step 2: Convert to fraction form
    118,187,586.36/161,916,238.11 = 113,767,920/x
  3. Step 3: Cross multiply
    118,187,586.36x = 161,916,238.11 × 113,767,920
  4. Step 4: Simplify right side
    118,187,586.36x = 18,420,873,623,999,432
  5. Step 5: Solve for x
    x = 18,420,873,623,999,432/118,187,586.36
  6. Step 6: Final answer
    x = 155,861,323.44

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.