Home / 211,425,720.84-317,100,785.04-134,520,303.24

Finding the Fourth Proportional to 211,425,720.84, 317,100,785.04 and 134,520,303.24

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Solution

The fourth proportional to 211,425,720.84, 317,100,785.04 and 134,520,303.24 is: 201,756,406.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,425,720.84 : 317,100,785.04 = 134,520,303.24 : x
  2. Step 2: Convert to fraction form
    211,425,720.84/317,100,785.04 = 134,520,303.24/x
  3. Step 3: Cross multiply
    211,425,720.84x = 317,100,785.04 × 134,520,303.24
  4. Step 4: Simplify right side
    211,425,720.84x = 42,656,493,761,222,864
  5. Step 5: Solve for x
    x = 42,656,493,761,222,864/211,425,720.84
  6. Step 6: Final answer
    x = 201,756,406.89

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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.