Home / 88,588,540.80-132,630,868.80-68,265,187.20

Finding the Fourth Proportional to 88,588,540.80, 132,630,868.80 and 68,265,187.20

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Solution

The fourth proportional to 88,588,540.80, 132,630,868.80 and 68,265,187.20 is: 102,203,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,588,540.80 : 132,630,868.80 = 68,265,187.20 : x
  2. Step 2: Convert to fraction form
    88,588,540.80/132,630,868.80 = 68,265,187.20/x
  3. Step 3: Cross multiply
    88,588,540.80x = 132,630,868.80 × 68,265,187.20
  4. Step 4: Simplify right side
    88,588,540.80x = 9,054,071,087,130,640
  5. Step 5: Solve for x
    x = 9,054,071,087,130,640/88,588,540.80
  6. Step 6: Final answer
    x = 102,203,637.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.