Home / 78,701,740.21-108,608,546.42-43,896,674.04

Finding the Fourth Proportional to 78,701,740.21, 108,608,546.42 and 43,896,674.04

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Solution

The fourth proportional to 78,701,740.21, 108,608,546.42 and 43,896,674.04 is: 60,577,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,701,740.21 : 108,608,546.42 = 43,896,674.04 : x
  2. Step 2: Convert to fraction form
    78,701,740.21/108,608,546.42 = 43,896,674.04/x
  3. Step 3: Cross multiply
    78,701,740.21x = 108,608,546.42 × 43,896,674.04
  4. Step 4: Simplify right side
    78,701,740.21x = 4,767,553,960,156,949
  5. Step 5: Solve for x
    x = 4,767,553,960,156,949/78,701,740.21
  6. Step 6: Final answer
    x = 60,577,491.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.