Home / 282,153,238.38-389,372,371.11-156,705,411.71

Finding the Fourth Proportional to 282,153,238.38, 389,372,371.11 and 156,705,411.71

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Solution

The fourth proportional to 282,153,238.38, 389,372,371.11 and 156,705,411.71 is: 216,253,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,153,238.38 : 389,372,371.11 = 156,705,411.71 : x
  2. Step 2: Convert to fraction form
    282,153,238.38/389,372,371.11 = 156,705,411.71/x
  3. Step 3: Cross multiply
    282,153,238.38x = 389,372,371.11 × 156,705,411.71
  4. Step 4: Simplify right side
    282,153,238.38x = 61,016,757,724,264,896
  5. Step 5: Solve for x
    x = 61,016,757,724,264,896/282,153,238.38
  6. Step 6: Final answer
    x = 216,253,969.21

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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.