Home / 56,172,772.11-77,520,819.54-31,392,958.23

Finding the Fourth Proportional to 56,172,772.11, 77,520,819.54 and 31,392,958.23

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Solution

The fourth proportional to 56,172,772.11, 77,520,819.54 and 31,392,958.23 is: 43,323,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,772.11 : 77,520,819.54 = 31,392,958.23 : x
  2. Step 2: Convert to fraction form
    56,172,772.11/77,520,819.54 = 31,392,958.23/x
  3. Step 3: Cross multiply
    56,172,772.11x = 77,520,819.54 × 31,392,958.23
  4. Step 4: Simplify right side
    56,172,772.11x = 2,433,607,849,774,588
  5. Step 5: Solve for x
    x = 2,433,607,849,774,588/56,172,772.11
  6. Step 6: Final answer
    x = 43,323,620.29

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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.