Home / 109,180,936.80-163,771,405.20-99,103,240.80

Finding the Fourth Proportional to 109,180,936.80, 163,771,405.20 and 99,103,240.80

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Solution

The fourth proportional to 109,180,936.80, 163,771,405.20 and 99,103,240.80 is: 148,654,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,180,936.80 : 163,771,405.20 = 99,103,240.80 : x
  2. Step 2: Convert to fraction form
    109,180,936.80/163,771,405.20 = 99,103,240.80/x
  3. Step 3: Cross multiply
    109,180,936.80x = 163,771,405.20 × 99,103,240.80
  4. Step 4: Simplify right side
    109,180,936.80x = 16,230,277,005,689,970
  5. Step 5: Solve for x
    x = 16,230,277,005,689,970/109,180,936.80
  6. Step 6: Final answer
    x = 148,654,861.20

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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.