Home / 78,755,508.46-108,682,621.68-43,473,333.16

Finding the Fourth Proportional to 78,755,508.46, 108,682,621.68 and 43,473,333.16

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Solution

The fourth proportional to 78,755,508.46, 108,682,621.68 and 43,473,333.16 is: 59,993,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,755,508.46 : 108,682,621.68 = 43,473,333.16 : x
  2. Step 2: Convert to fraction form
    78,755,508.46/108,682,621.68 = 43,473,333.16/x
  3. Step 3: Cross multiply
    78,755,508.46x = 108,682,621.68 × 43,473,333.16
  4. Step 4: Simplify right side
    78,755,508.46x = 4,724,795,820,996,879
  5. Step 5: Solve for x
    x = 4,724,795,820,996,879/78,755,508.46
  6. Step 6: Final answer
    x = 59,993,210.80

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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.