Home / 282,130,012.62-389,304,161.55-156,665,150.22

Finding the Fourth Proportional to 282,130,012.62, 389,304,161.55 and 156,665,150.22

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Solution

The fourth proportional to 282,130,012.62, 389,304,161.55 and 156,665,150.22 is: 216,178,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,130,012.62 : 389,304,161.55 = 156,665,150.22 : x
  2. Step 2: Convert to fraction form
    282,130,012.62/389,304,161.55 = 156,665,150.22/x
  3. Step 3: Cross multiply
    282,130,012.62x = 389,304,161.55 × 156,665,150.22
  4. Step 4: Simplify right side
    282,130,012.62x = 60,990,394,950,501,896
  5. Step 5: Solve for x
    x = 60,990,394,950,501,896/282,130,012.62
  6. Step 6: Final answer
    x = 216,178,329.93

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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.