Home / 76,163,409.77-105,108,519.17-42,673,177.73

Finding the Fourth Proportional to 76,163,409.77, 105,108,519.17 and 42,673,177.73

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Solution

The fourth proportional to 76,163,409.77, 105,108,519.17 and 42,673,177.73 is: 58,890,673.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,163,409.77 : 105,108,519.17 = 42,673,177.73 : x
  2. Step 2: Convert to fraction form
    76,163,409.77/105,108,519.17 = 42,673,177.73/x
  3. Step 3: Cross multiply
    76,163,409.77x = 105,108,519.17 × 42,673,177.73
  4. Step 4: Simplify right side
    76,163,409.77x = 4,485,314,519,478,522
  5. Step 5: Solve for x
    x = 4,485,314,519,478,522/76,163,409.77
  6. Step 6: Final answer
    x = 58,890,673.79

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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.