Home / 268,056,288.77-369,933,480.02-201,859,997.81

Finding the Fourth Proportional to 268,056,288.77, 369,933,480.02 and 201,859,997.81

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Solution

The fourth proportional to 268,056,288.77, 369,933,480.02 and 201,859,997.81 is: 278,578,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,056,288.77 : 369,933,480.02 = 201,859,997.81 : x
  2. Step 2: Convert to fraction form
    268,056,288.77/369,933,480.02 = 201,859,997.81/x
  3. Step 3: Cross multiply
    268,056,288.77x = 369,933,480.02 × 201,859,997.81
  4. Step 4: Simplify right side
    268,056,288.77x = 74,674,771,465,337,856
  5. Step 5: Solve for x
    x = 74,674,771,465,337,856/268,056,288.77
  6. Step 6: Final answer
    x = 278,578,696.32

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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.