Home / 56,172,758.63-77,520,800.93-31,392,944.75

Finding the Fourth Proportional to 56,172,758.63, 77,520,800.93 and 31,392,944.75

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Solution

The fourth proportional to 56,172,758.63, 77,520,800.93 and 31,392,944.75 is: 43,323,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172,758.63 : 77,520,800.93 = 31,392,944.75 : x
  2. Step 2: Convert to fraction form
    56,172,758.63/77,520,800.93 = 31,392,944.75/x
  3. Step 3: Cross multiply
    56,172,758.63x = 77,520,800.93 × 31,392,944.75
  4. Step 4: Simplify right side
    56,172,758.63x = 2,433,606,220,026,670
  5. Step 5: Solve for x
    x = 2,433,606,220,026,670/56,172,758.63
  6. Step 6: Final answer
    x = 43,323,601.68

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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.