Home / 55,166,057.86-76,129,159.55-31,974,636.89

Finding the Fourth Proportional to 55,166,057.86, 76,129,159.55 and 31,974,636.89

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Solution

The fourth proportional to 55,166,057.86, 76,129,159.55 and 31,974,636.89 is: 44,124,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,057.86 : 76,129,159.55 = 31,974,636.89 : x
  2. Step 2: Convert to fraction form
    55,166,057.86/76,129,159.55 = 31,974,636.89/x
  3. Step 3: Cross multiply
    55,166,057.86x = 76,129,159.55 × 31,974,636.89
  4. Step 4: Simplify right side
    55,166,057.86x = 2,434,202,232,811,607
  5. Step 5: Solve for x
    x = 2,434,202,232,811,607/55,166,057.86
  6. Step 6: Final answer
    x = 44,124,998.73

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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.