Home / 79,923,429.77-110,294,288.75-45,116,420.81

Finding the Fourth Proportional to 79,923,429.77, 110,294,288.75 and 45,116,420.81

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Solution

The fourth proportional to 79,923,429.77, 110,294,288.75 and 45,116,420.81 is: 62,260,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,923,429.77 : 110,294,288.75 = 45,116,420.81 : x
  2. Step 2: Convert to fraction form
    79,923,429.77/110,294,288.75 = 45,116,420.81/x
  3. Step 3: Cross multiply
    79,923,429.77x = 110,294,288.75 × 45,116,420.81
  4. Step 4: Simplify right side
    79,923,429.77x = 4,976,083,543,745,968
  5. Step 5: Solve for x
    x = 4,976,083,543,745,968/79,923,429.77
  6. Step 6: Final answer
    x = 62,260,635.69

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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.