Home / 88,185,120.54-121,682,115.36-50,502,425.28

Finding the Fourth Proportional to 88,185,120.54, 121,682,115.36 and 50,502,425.28

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Solution

The fourth proportional to 88,185,120.54, 121,682,115.36 and 50,502,425.28 is: 69,685,700.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185,120.54 : 121,682,115.36 = 50,502,425.28 : x
  2. Step 2: Convert to fraction form
    88,185,120.54/121,682,115.36 = 50,502,425.28/x
  3. Step 3: Cross multiply
    88,185,120.54x = 121,682,115.36 × 50,502,425.28
  4. Step 4: Simplify right side
    88,185,120.54x = 6,145,241,938,880,740
  5. Step 5: Solve for x
    x = 6,145,241,938,880,740/88,185,120.54
  6. Step 6: Final answer
    x = 69,685,700.96

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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.