Home / 55,157,360.74-76,114,701.44-31,619,022.90

Finding the Fourth Proportional to 55,157,360.74, 76,114,701.44 and 31,619,022.90

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Solution

The fourth proportional to 55,157,360.74, 76,114,701.44 and 31,619,022.90 is: 43,632,843.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157,360.74 : 76,114,701.44 = 31,619,022.90 : x
  2. Step 2: Convert to fraction form
    55,157,360.74/76,114,701.44 = 31,619,022.90/x
  3. Step 3: Cross multiply
    55,157,360.74x = 76,114,701.44 × 31,619,022.90
  4. Step 4: Simplify right side
    55,157,360.74x = 2,406,672,487,858,023
  5. Step 5: Solve for x
    x = 2,406,672,487,858,023/55,157,360.74
  6. Step 6: Final answer
    x = 43,632,843.48

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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.