Home / 55,098,979.20-82,648,468.80-16,760,431.80

Finding the Fourth Proportional to 55,098,979.20, 82,648,468.80 and 16,760,431.80

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Solution

The fourth proportional to 55,098,979.20, 82,648,468.80 and 16,760,431.80 is: 25,140,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098,979.20 : 82,648,468.80 = 16,760,431.80 : x
  2. Step 2: Convert to fraction form
    55,098,979.20/82,648,468.80 = 16,760,431.80/x
  3. Step 3: Cross multiply
    55,098,979.20x = 82,648,468.80 × 16,760,431.80
  4. Step 4: Simplify right side
    55,098,979.20x = 1,385,224,024,696,827.75
  5. Step 5: Solve for x
    x = 1,385,224,024,696,827.75/55,098,979.20
  6. Step 6: Final answer
    x = 25,140,647.70

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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.