Home / 103,284,879.20-142,522,297.16-58,616,626.80

Finding the Fourth Proportional to 103,284,879.20, 142,522,297.16 and 58,616,626.80

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Solution

The fourth proportional to 103,284,879.20, 142,522,297.16 and 58,616,626.80 is: 80,884,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,284,879.20 : 142,522,297.16 = 58,616,626.80 : x
  2. Step 2: Convert to fraction form
    103,284,879.20/142,522,297.16 = 58,616,626.80/x
  3. Step 3: Cross multiply
    103,284,879.20x = 142,522,297.16 × 58,616,626.80
  4. Step 4: Simplify right side
    103,284,879.20x = 8,354,176,303,013,336
  5. Step 5: Solve for x
    x = 8,354,176,303,013,336/103,284,879.20
  6. Step 6: Final answer
    x = 80,884,795.22

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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.