Home / 211,378,574.90-316,991,791.20-73,166,628.98

Finding the Fourth Proportional to 211,378,574.90, 316,991,791.20 and 73,166,628.98

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Solution

The fourth proportional to 211,378,574.90, 316,991,791.20 and 73,166,628.98 is: 109,723,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,378,574.90 : 316,991,791.20 = 73,166,628.98 : x
  2. Step 2: Convert to fraction form
    211,378,574.90/316,991,791.20 = 73,166,628.98/x
  3. Step 3: Cross multiply
    211,378,574.90x = 316,991,791.20 × 73,166,628.98
  4. Step 4: Simplify right side
    211,378,574.90x = 23,193,220,776,436,028
  5. Step 5: Solve for x
    x = 23,193,220,776,436,028/211,378,574.90
  6. Step 6: Final answer
    x = 109,723,612.18

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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.