Home / 143,878,739.25-215,725,314.03-56,449,092.21

Finding the Fourth Proportional to 143,878,739.25, 215,725,314.03 and 56,449,092.21

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Solution

The fourth proportional to 143,878,739.25, 215,725,314.03 and 56,449,092.21 is: 84,637,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,878,739.25 : 215,725,314.03 = 56,449,092.21 : x
  2. Step 2: Convert to fraction form
    143,878,739.25/215,725,314.03 = 56,449,092.21/x
  3. Step 3: Cross multiply
    143,878,739.25x = 215,725,314.03 × 56,449,092.21
  4. Step 4: Simplify right side
    143,878,739.25x = 12,177,498,143,710,676
  5. Step 5: Solve for x
    x = 12,177,498,143,710,676/143,878,739.25
  6. Step 6: Final answer
    x = 84,637,231.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.