Home / 74,310,706.35-111,426,201.45-31,131,125.10

Finding the Fourth Proportional to 74,310,706.35, 111,426,201.45 and 31,131,125.10

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Solution

The fourth proportional to 74,310,706.35, 111,426,201.45 and 31,131,125.10 is: 46,679,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,706.35 : 111,426,201.45 = 31,131,125.10 : x
  2. Step 2: Convert to fraction form
    74,310,706.35/111,426,201.45 = 31,131,125.10/x
  3. Step 3: Cross multiply
    74,310,706.35x = 111,426,201.45 × 31,131,125.10
  4. Step 4: Simplify right side
    74,310,706.35x = 3,468,823,016,757,751.50
  5. Step 5: Solve for x
    x = 3,468,823,016,757,751.50/74,310,706.35
  6. Step 6: Final answer
    x = 46,679,989.83

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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.