Home / 56,172,759.12-77,520,801.61-31,392,945.24

Finding the Fourth Proportional to 56,172,759.12, 77,520,801.61 and 31,392,945.24

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Solution

The fourth proportional to 56,172,759.12, 77,520,801.61 and 31,392,945.24 is: 43,323,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,759.12 : 77,520,801.61 = 31,392,945.24 : x
  2. Step 2: Convert to fraction form
    56,172,759.12/77,520,801.61 = 31,392,945.24/x
  3. Step 3: Cross multiply
    56,172,759.12x = 77,520,801.61 × 31,392,945.24
  4. Step 4: Simplify right side
    56,172,759.12x = 2,433,606,279,903,633.50
  5. Step 5: Solve for x
    x = 2,433,606,279,903,633.50/56,172,759.12
  6. Step 6: Final answer
    x = 43,323,602.37

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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.