Home / 101,143,230.77-139,577,658.96-54,733,485.15

Finding the Fourth Proportional to 101,143,230.77, 139,577,658.96 and 54,733,485.15

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Solution

The fourth proportional to 101,143,230.77, 139,577,658.96 and 54,733,485.15 is: 75,532,209.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143,230.77 : 139,577,658.96 = 54,733,485.15 : x
  2. Step 2: Convert to fraction form
    101,143,230.77/139,577,658.96 = 54,733,485.15/x
  3. Step 3: Cross multiply
    101,143,230.77x = 139,577,658.96 × 54,733,485.15
  4. Step 4: Simplify right side
    101,143,230.77x = 7,639,571,724,164,175
  5. Step 5: Solve for x
    x = 7,639,571,724,164,175/101,143,230.77
  6. Step 6: Final answer
    x = 75,532,209.78

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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.