Home / 122,654,445.14-169,265,129.88-66,899,851.42

Finding the Fourth Proportional to 122,654,445.14, 169,265,129.88 and 66,899,851.42

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Solution

The fourth proportional to 122,654,445.14, 169,265,129.88 and 66,899,851.42 is: 92,322,883.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,654,445.14 : 169,265,129.88 = 66,899,851.42 : x
  2. Step 2: Convert to fraction form
    122,654,445.14/169,265,129.88 = 66,899,851.42/x
  3. Step 3: Cross multiply
    122,654,445.14x = 169,265,129.88 × 66,899,851.42
  4. Step 4: Simplify right side
    122,654,445.14x = 11,323,812,039,559,002
  5. Step 5: Solve for x
    x = 11,323,812,039,559,002/122,654,445.14
  6. Step 6: Final answer
    x = 92,322,883.42

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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.