Home / 137,246,602.68-205,876,525.19-45,128,301.30

Finding the Fourth Proportional to 137,246,602.68, 205,876,525.19 and 45,128,301.30

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Solution

The fourth proportional to 137,246,602.68, 205,876,525.19 and 45,128,301.30 is: 67,694,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,246,602.68 : 205,876,525.19 = 45,128,301.30 : x
  2. Step 2: Convert to fraction form
    137,246,602.68/205,876,525.19 = 45,128,301.30/x
  3. Step 3: Cross multiply
    137,246,602.68x = 205,876,525.19 × 45,128,301.30
  4. Step 4: Simplify right side
    137,246,602.68x = 9,290,857,859,145,718
  5. Step 5: Solve for x
    x = 9,290,857,859,145,718/137,246,602.68
  6. Step 6: Final answer
    x = 67,694,629.07

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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.