Home / 282,356,099.28-389,660,868.54-156,913,583.04

Finding the Fourth Proportional to 282,356,099.28, 389,660,868.54 and 156,913,583.04

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Solution

The fourth proportional to 282,356,099.28, 389,660,868.54 and 156,913,583.04 is: 216,545,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,356,099.28 : 389,660,868.54 = 156,913,583.04 : x
  2. Step 2: Convert to fraction form
    282,356,099.28/389,660,868.54 = 156,913,583.04/x
  3. Step 3: Cross multiply
    282,356,099.28x = 389,660,868.54 × 156,913,583.04
  4. Step 4: Simplify right side
    282,356,099.28x = 61,143,083,053,089,816
  5. Step 5: Solve for x
    x = 61,143,083,053,089,816/282,356,099.28
  6. Step 6: Final answer
    x = 216,545,997.09

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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.