Home / 122,481,004.90-183,721,507.35-81,666,336.10

Finding the Fourth Proportional to 122,481,004.90, 183,721,507.35 and 81,666,336.10

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Solution

The fourth proportional to 122,481,004.90, 183,721,507.35 and 81,666,336.10 is: 122,499,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,004.90 : 183,721,507.35 = 81,666,336.10 : x
  2. Step 2: Convert to fraction form
    122,481,004.90/183,721,507.35 = 81,666,336.10/x
  3. Step 3: Cross multiply
    122,481,004.90x = 183,721,507.35 × 81,666,336.10
  4. Step 4: Simplify right side
    122,481,004.90x = 15,003,862,368,043,718
  5. Step 5: Solve for x
    x = 15,003,862,368,043,718/122,481,004.90
  6. Step 6: Final answer
    x = 122,499,504.15

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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.