Home / 55,157,360.11-76,114,700.58-31,619,022.28

Finding the Fourth Proportional to 55,157,360.11, 76,114,700.58 and 31,619,022.28

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Solution

The fourth proportional to 55,157,360.11, 76,114,700.58 and 31,619,022.28 is: 43,632,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,157,360.11 : 76,114,700.58 = 31,619,022.28 : x
  2. Step 2: Convert to fraction form
    55,157,360.11/76,114,700.58 = 31,619,022.28/x
  3. Step 3: Cross multiply
    55,157,360.11x = 76,114,700.58 × 31,619,022.28
  4. Step 4: Simplify right side
    55,157,360.11x = 2,406,672,413,173,022.50
  5. Step 5: Solve for x
    x = 2,406,672,413,173,022.50/55,157,360.11
  6. Step 6: Final answer
    x = 43,632,842.63

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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.