Home / 221,290,358.46-331,930,979.45-73,748,632.96

Finding the Fourth Proportional to 221,290,358.46, 331,930,979.45 and 73,748,632.96

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Solution

The fourth proportional to 221,290,358.46, 331,930,979.45 and 73,748,632.96 is: 110,621,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,290,358.46 : 331,930,979.45 = 73,748,632.96 : x
  2. Step 2: Convert to fraction form
    221,290,358.46/331,930,979.45 = 73,748,632.96/x
  3. Step 3: Cross multiply
    221,290,358.46x = 331,930,979.45 × 73,748,632.96
  4. Step 4: Simplify right side
    221,290,358.46x = 24,479,455,971,511,348
  5. Step 5: Solve for x
    x = 24,479,455,971,511,348/221,290,358.46
  6. Step 6: Final answer
    x = 110,621,430.33

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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.