Home / 290,411,562.67-400,765,737.62-158,252,150.52

Finding the Fourth Proportional to 290,411,562.67, 400,765,737.62 and 158,252,150.52

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Solution

The fourth proportional to 290,411,562.67, 400,765,737.62 and 158,252,150.52 is: 218,386,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,411,562.67 : 400,765,737.62 = 158,252,150.52 : x
  2. Step 2: Convert to fraction form
    290,411,562.67/400,765,737.62 = 158,252,150.52/x
  3. Step 3: Cross multiply
    290,411,562.67x = 400,765,737.62 × 158,252,150.52
  4. Step 4: Simplify right side
    290,411,562.67x = 63,422,039,833,494,704
  5. Step 5: Solve for x
    x = 63,422,039,833,494,704/290,411,562.67
  6. Step 6: Final answer
    x = 218,386,758.61

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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.