Home / 211,755,461.70-317,497,248.57-82,225,050.42

Finding the Fourth Proportional to 211,755,461.70, 317,497,248.57 and 82,225,050.42

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Solution

The fourth proportional to 211,755,461.70, 317,497,248.57 and 82,225,050.42 is: 123,284,788.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,755,461.70 : 317,497,248.57 = 82,225,050.42 : x
  2. Step 2: Convert to fraction form
    211,755,461.70/317,497,248.57 = 82,225,050.42/x
  3. Step 3: Cross multiply
    211,755,461.70x = 317,497,248.57 × 82,225,050.42
  4. Step 4: Simplify right side
    211,755,461.70x = 26,106,227,271,879,524
  5. Step 5: Solve for x
    x = 26,106,227,271,879,524/211,755,461.70
  6. Step 6: Final answer
    x = 123,284,788.32

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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.