Home / 55,157,687.13-76,121,048.89-30,377,867.57

Finding the Fourth Proportional to 55,157,687.13, 76,121,048.89 and 30,377,867.57

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Solution

The fourth proportional to 55,157,687.13, 76,121,048.89 and 30,377,867.57 is: 41,923,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157,687.13 : 76,121,048.89 = 30,377,867.57 : x
  2. Step 2: Convert to fraction form
    55,157,687.13/76,121,048.89 = 30,377,867.57/x
  3. Step 3: Cross multiply
    55,157,687.13x = 76,121,048.89 × 30,377,867.57
  4. Step 4: Simplify right side
    55,157,687.13x = 2,312,395,142,469,915.50
  5. Step 5: Solve for x
    x = 2,312,395,142,469,915.50/55,157,687.13
  6. Step 6: Final answer
    x = 41,923,352.17

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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.