Home / 122,526,160.43-169,086,136.57-66,771,596.16

Finding the Fourth Proportional to 122,526,160.43, 169,086,136.57 and 66,771,596.16

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Solution

The fourth proportional to 122,526,160.43, 169,086,136.57 and 66,771,596.16 is: 92,144,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,526,160.43 : 169,086,136.57 = 66,771,596.16 : x
  2. Step 2: Convert to fraction form
    122,526,160.43/169,086,136.57 = 66,771,596.16/x
  3. Step 3: Cross multiply
    122,526,160.43x = 169,086,136.57 × 66,771,596.16
  4. Step 4: Simplify right side
    122,526,160.43x = 11,290,151,227,139,718
  5. Step 5: Solve for x
    x = 11,290,151,227,139,718/122,526,160.43
  6. Step 6: Final answer
    x = 92,144,821.87

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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.