Home / 173,577,476.26-260,391,623.91-81,470,570.21

Finding the Fourth Proportional to 173,577,476.26, 260,391,623.91 and 81,470,570.21

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Solution

The fourth proportional to 173,577,476.26, 260,391,623.91 and 81,470,570.21 is: 122,217,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,577,476.26 : 260,391,623.91 = 81,470,570.21 : x
  2. Step 2: Convert to fraction form
    173,577,476.26/260,391,623.91 = 81,470,570.21/x
  3. Step 3: Cross multiply
    173,577,476.26x = 260,391,623.91 × 81,470,570.21
  4. Step 4: Simplify right side
    173,577,476.26x = 21,214,254,078,116,500
  5. Step 5: Solve for x
    x = 21,214,254,078,116,500/173,577,476.26
  6. Step 6: Final answer
    x = 122,217,781.57

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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.