Home / 211,755,438.64-317,497,214.04-82,225,027.36

Finding the Fourth Proportional to 211,755,438.64, 317,497,214.04 and 82,225,027.36

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Solution

The fourth proportional to 211,755,438.64, 317,497,214.04 and 82,225,027.36 is: 123,284,753.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755,438.64 : 317,497,214.04 = 82,225,027.36 : x
  2. Step 2: Convert to fraction form
    211,755,438.64/317,497,214.04 = 82,225,027.36/x
  3. Step 3: Cross multiply
    211,755,438.64x = 317,497,214.04 × 82,225,027.36
  4. Step 4: Simplify right side
    211,755,438.64x = 26,106,217,111,162,776
  5. Step 5: Solve for x
    x = 26,106,217,111,162,776/211,755,438.64
  6. Step 6: Final answer
    x = 123,284,753.77

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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.