Home / 137,301,224.80-205,951,837.20-72,580,021.60

Finding the Fourth Proportional to 137,301,224.80, 205,951,837.20 and 72,580,021.60

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Solution

The fourth proportional to 137,301,224.80, 205,951,837.20 and 72,580,021.60 is: 108,870,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,301,224.80 : 205,951,837.20 = 72,580,021.60 : x
  2. Step 2: Convert to fraction form
    137,301,224.80/205,951,837.20 = 72,580,021.60/x
  3. Step 3: Cross multiply
    137,301,224.80x = 205,951,837.20 × 72,580,021.60
  4. Step 4: Simplify right side
    137,301,224.80x = 14,947,988,792,535,682
  5. Step 5: Solve for x
    x = 14,947,988,792,535,682/137,301,224.80
  6. Step 6: Final answer
    x = 108,870,032.40

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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.