Home / 211,545,005.40-317,317,508.10-211,545,005.40

Finding the Fourth Proportional to 211,545,005.40, 317,317,508.10 and 211,545,005.40

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Solution

The fourth proportional to 211,545,005.40, 317,317,508.10 and 211,545,005.40 is: 317,317,508.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,545,005.40 : 317,317,508.10 = 211,545,005.40 : x
  2. Step 2: Convert to fraction form
    211,545,005.40/317,317,508.10 = 211,545,005.40/x
  3. Step 3: Cross multiply
    211,545,005.40x = 317,317,508.10 × 211,545,005.40
  4. Step 4: Simplify right side
    211,545,005.40x = 67,126,933,964,529,048
  5. Step 5: Solve for x
    x = 67,126,933,964,529,048/211,545,005.40
  6. Step 6: Final answer
    x = 317,317,508.10

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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.