Home / 143,672,221.80-215,536,326.30-57,395,946.60

Finding the Fourth Proportional to 143,672,221.80, 215,536,326.30 and 57,395,946.60

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Solution

The fourth proportional to 143,672,221.80, 215,536,326.30 and 57,395,946.60 is: 86,105,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,672,221.80 : 215,536,326.30 = 57,395,946.60 : x
  2. Step 2: Convert to fraction form
    143,672,221.80/215,536,326.30 = 57,395,946.60/x
  3. Step 3: Cross multiply
    143,672,221.80x = 215,536,326.30 × 57,395,946.60
  4. Step 4: Simplify right side
    143,672,221.80x = 12,370,911,474,674,976
  5. Step 5: Solve for x
    x = 12,370,911,474,674,976/143,672,221.80
  6. Step 6: Final answer
    x = 86,105,103.13

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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.