Home / 109,051,745.20-163,577,617.80-100,123,536.40

Finding the Fourth Proportional to 109,051,745.20, 163,577,617.80 and 100,123,536.40

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Solution

The fourth proportional to 109,051,745.20, 163,577,617.80 and 100,123,536.40 is: 150,185,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,051,745.20 : 163,577,617.80 = 100,123,536.40 : x
  2. Step 2: Convert to fraction form
    109,051,745.20/163,577,617.80 = 100,123,536.40/x
  3. Step 3: Cross multiply
    109,051,745.20x = 163,577,617.80 × 100,123,536.40
  4. Step 4: Simplify right side
    109,051,745.20x = 16,377,969,570,023,590
  5. Step 5: Solve for x
    x = 16,377,969,570,023,590/109,051,745.20
  6. Step 6: Final answer
    x = 150,185,304.60

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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.