Home / 109,029,908.80-163,544,863.20-102,311,444.80

Finding the Fourth Proportional to 109,029,908.80, 163,544,863.20 and 102,311,444.80

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Solution

The fourth proportional to 109,029,908.80, 163,544,863.20 and 102,311,444.80 is: 153,467,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,029,908.80 : 163,544,863.20 = 102,311,444.80 : x
  2. Step 2: Convert to fraction form
    109,029,908.80/163,544,863.20 = 102,311,444.80/x
  3. Step 3: Cross multiply
    109,029,908.80x = 163,544,863.20 × 102,311,444.80
  4. Step 4: Simplify right side
    109,029,908.80x = 16,732,511,243,610,350
  5. Step 5: Solve for x
    x = 16,732,511,243,610,350/109,029,908.80
  6. Step 6: Final answer
    x = 153,467,167.20

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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.