Home / 143,804,536.15-215,706,804.23-99,801,221.35

Finding the Fourth Proportional to 143,804,536.15, 215,706,804.23 and 99,801,221.35

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Solution

The fourth proportional to 143,804,536.15, 215,706,804.23 and 99,801,221.35 is: 149,701,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,804,536.15 : 215,706,804.23 = 99,801,221.35 : x
  2. Step 2: Convert to fraction form
    143,804,536.15/215,706,804.23 = 99,801,221.35/x
  3. Step 3: Cross multiply
    143,804,536.15x = 215,706,804.23 × 99,801,221.35
  4. Step 4: Simplify right side
    143,804,536.15x = 21,527,802,515,659,344
  5. Step 5: Solve for x
    x = 21,527,802,515,659,344/143,804,536.15
  6. Step 6: Final answer
    x = 149,701,832.03

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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.