Home / 149,781,837.24-206,699,216.40-83,702,335.86

Finding the Fourth Proportional to 149,781,837.24, 206,699,216.40 and 83,702,335.86

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Solution

The fourth proportional to 149,781,837.24, 206,699,216.40 and 83,702,335.86 is: 115,509,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,781,837.24 : 206,699,216.40 = 83,702,335.86 : x
  2. Step 2: Convert to fraction form
    149,781,837.24/206,699,216.40 = 83,702,335.86/x
  3. Step 3: Cross multiply
    149,781,837.24x = 206,699,216.40 × 83,702,335.86
  4. Step 4: Simplify right side
    149,781,837.24x = 17,301,207,233,111,620
  5. Step 5: Solve for x
    x = 17,301,207,233,111,620/149,781,837.24
  6. Step 6: Final answer
    x = 115,509,380.52

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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.