Home / 222,373,421.12-306,893,706.48-123,285,262.40

Finding the Fourth Proportional to 222,373,421.12, 306,893,706.48 and 123,285,262.40

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Solution

The fourth proportional to 222,373,421.12, 306,893,706.48 and 123,285,262.40 is: 170,143,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,373,421.12 : 306,893,706.48 = 123,285,262.40 : x
  2. Step 2: Convert to fraction form
    222,373,421.12/306,893,706.48 = 123,285,262.40/x
  3. Step 3: Cross multiply
    222,373,421.12x = 306,893,706.48 × 123,285,262.40
  4. Step 4: Simplify right side
    222,373,421.12x = 37,835,471,132,295,384
  5. Step 5: Solve for x
    x = 37,835,471,132,295,384/222,373,421.12
  6. Step 6: Final answer
    x = 170,143,855.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.