Home / 211,467,415.42-317,200,686.90-119,309,318.25

Finding the Fourth Proportional to 211,467,415.42, 317,200,686.90 and 119,309,318.25

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Solution

The fourth proportional to 211,467,415.42, 317,200,686.90 and 119,309,318.25 is: 178,963,731.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467,415.42 : 317,200,686.90 = 119,309,318.25 : x
  2. Step 2: Convert to fraction form
    211,467,415.42/317,200,686.90 = 119,309,318.25/x
  3. Step 3: Cross multiply
    211,467,415.42x = 317,200,686.90 × 119,309,318.25
  4. Step 4: Simplify right side
    211,467,415.42x = 37,844,997,702,470,704
  5. Step 5: Solve for x
    x = 37,844,997,702,470,704/211,467,415.42
  6. Step 6: Final answer
    x = 178,963,731.26

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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.