Home / 81,413,944.13-122,020,866.16-37,635,484.88

Finding the Fourth Proportional to 81,413,944.13, 122,020,866.16 and 37,635,484.88

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Solution

The fourth proportional to 81,413,944.13, 122,020,866.16 and 37,635,484.88 is: 56,406,976.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,413,944.13 : 122,020,866.16 = 37,635,484.88 : x
  2. Step 2: Convert to fraction form
    81,413,944.13/122,020,866.16 = 37,635,484.88/x
  3. Step 3: Cross multiply
    81,413,944.13x = 122,020,866.16 × 37,635,484.88
  4. Step 4: Simplify right side
    81,413,944.13x = 4,592,314,463,620,147
  5. Step 5: Solve for x
    x = 4,592,314,463,620,147/81,413,944.13
  6. Step 6: Final answer
    x = 56,406,976.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.