Home / 57,183,455.26-78,913,777.80-31,077,974.98

Finding the Fourth Proportional to 57,183,455.26, 78,913,777.80 and 31,077,974.98

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Solution

The fourth proportional to 57,183,455.26, 78,913,777.80 and 31,077,974.98 is: 42,887,936.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,455.26 : 78,913,777.80 = 31,077,974.98 : x
  2. Step 2: Convert to fraction form
    57,183,455.26/78,913,777.80 = 31,077,974.98/x
  3. Step 3: Cross multiply
    57,183,455.26x = 78,913,777.80 × 31,077,974.98
  4. Step 4: Simplify right side
    57,183,455.26x = 2,452,480,412,045,679.50
  5. Step 5: Solve for x
    x = 2,452,480,412,045,679.50/57,183,455.26
  6. Step 6: Final answer
    x = 42,887,936.74

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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.