Home / 55,838,082.96-77,055,447.24-31,057,738.20

Finding the Fourth Proportional to 55,838,082.96, 77,055,447.24 and 31,057,738.20

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Solution

The fourth proportional to 55,838,082.96, 77,055,447.24 and 31,057,738.20 is: 42,859,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,838,082.96 : 77,055,447.24 = 31,057,738.20 : x
  2. Step 2: Convert to fraction form
    55,838,082.96/77,055,447.24 = 31,057,738.20/x
  3. Step 3: Cross multiply
    55,838,082.96x = 77,055,447.24 × 31,057,738.20
  4. Step 4: Simplify right side
    55,838,082.96x = 2,393,167,907,263,832.50
  5. Step 5: Solve for x
    x = 2,393,167,907,263,832.50/55,838,082.96
  6. Step 6: Final answer
    x = 42,859,062.85

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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.