Home / 221,184,133.80-331,776,200.70-212,226,181.80

Finding the Fourth Proportional to 221,184,133.80, 331,776,200.70 and 212,226,181.80

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Solution

The fourth proportional to 221,184,133.80, 331,776,200.70 and 212,226,181.80 is: 318,339,272.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,184,133.80 : 331,776,200.70 = 212,226,181.80 : x
  2. Step 2: Convert to fraction form
    221,184,133.80/331,776,200.70 = 212,226,181.80/x
  3. Step 3: Cross multiply
    221,184,133.80x = 331,776,200.70 × 212,226,181.80
  4. Step 4: Simplify right side
    221,184,133.80x = 70,411,596,286,671,488
  5. Step 5: Solve for x
    x = 70,411,596,286,671,488/221,184,133.80
  6. Step 6: Final answer
    x = 318,339,272.70

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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.