Home / 282,161,593.92-389,361,501.90-158,378,356.20

Finding the Fourth Proportional to 282,161,593.92, 389,361,501.90 and 158,378,356.20

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Solution

The fourth proportional to 282,161,593.92, 389,361,501.90 and 158,378,356.20 is: 218,550,064.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,161,593.92 : 389,361,501.90 = 158,378,356.20 : x
  2. Step 2: Convert to fraction form
    282,161,593.92/389,361,501.90 = 158,378,356.20/x
  3. Step 3: Cross multiply
    282,161,593.92x = 389,361,501.90 × 158,378,356.20
  4. Step 4: Simplify right side
    282,161,593.92x = 61,666,434,638,485,168
  5. Step 5: Solve for x
    x = 61,666,434,638,485,168/282,161,593.92
  6. Step 6: Final answer
    x = 218,550,064.81

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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.