Home / 55,774,536.56-76,887,739.49-38,977,126.20

Finding the Fourth Proportional to 55,774,536.56, 76,887,739.49 and 38,977,126.20

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Solution

The fourth proportional to 55,774,536.56, 76,887,739.49 and 38,977,126.20 is: 53,731,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,774,536.56 : 76,887,739.49 = 38,977,126.20 : x
  2. Step 2: Convert to fraction form
    55,774,536.56/76,887,739.49 = 38,977,126.20/x
  3. Step 3: Cross multiply
    55,774,536.56x = 76,887,739.49 × 38,977,126.20
  4. Step 4: Simplify right side
    55,774,536.56x = 2,996,863,125,334,453.50
  5. Step 5: Solve for x
    x = 2,996,863,125,334,453.50/55,774,536.56
  6. Step 6: Final answer
    x = 53,731,744.09

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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.