Home / 109,079,477.40-163,619,216.10-68,264,808.60

Finding the Fourth Proportional to 109,079,477.40, 163,619,216.10 and 68,264,808.60

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Solution

The fourth proportional to 109,079,477.40, 163,619,216.10 and 68,264,808.60 is: 102,397,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,079,477.40 : 163,619,216.10 = 68,264,808.60 : x
  2. Step 2: Convert to fraction form
    109,079,477.40/163,619,216.10 = 68,264,808.60/x
  3. Step 3: Cross multiply
    109,079,477.40x = 163,619,216.10 × 68,264,808.60
  4. Step 4: Simplify right side
    109,079,477.40x = 11,169,434,470,348,538
  5. Step 5: Solve for x
    x = 11,169,434,470,348,538/109,079,477.40
  6. Step 6: Final answer
    x = 102,397,212.90

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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.