Home / 55,735,378.88-76,910,576.64-31,284,368.96

Finding the Fourth Proportional to 55,735,378.88, 76,910,576.64 and 31,284,368.96

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Solution

The fourth proportional to 55,735,378.88, 76,910,576.64 and 31,284,368.96 is: 43,170,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,735,378.88 : 76,910,576.64 = 31,284,368.96 : x
  2. Step 2: Convert to fraction form
    55,735,378.88/76,910,576.64 = 31,284,368.96/x
  3. Step 3: Cross multiply
    55,735,378.88x = 76,910,576.64 × 31,284,368.96
  4. Step 4: Simplify right side
    55,735,378.88x = 2,406,098,856,532,117
  5. Step 5: Solve for x
    x = 2,406,098,856,532,117/55,735,378.88
  6. Step 6: Final answer
    x = 43,170,045.76

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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.