Home / 143,705,904.80-215,558,857.20-70,957,536.80

Finding the Fourth Proportional to 143,705,904.80, 215,558,857.20 and 70,957,536.80

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Solution

The fourth proportional to 143,705,904.80, 215,558,857.20 and 70,957,536.80 is: 106,436,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,705,904.80 : 215,558,857.20 = 70,957,536.80 : x
  2. Step 2: Convert to fraction form
    143,705,904.80/215,558,857.20 = 70,957,536.80/x
  3. Step 3: Cross multiply
    143,705,904.80x = 215,558,857.20 × 70,957,536.80
  4. Step 4: Simplify right side
    143,705,904.80x = 15,295,525,542,334,944
  5. Step 5: Solve for x
    x = 15,295,525,542,334,944/143,705,904.80
  6. Step 6: Final answer
    x = 106,436,305.20

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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.