Home / 221,290,358.96-331,930,980.20-73,748,633.46

Finding the Fourth Proportional to 221,290,358.96, 331,930,980.20 and 73,748,633.46

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Solution

The fourth proportional to 221,290,358.96, 331,930,980.20 and 73,748,633.46 is: 110,621,431.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,290,358.96 : 331,930,980.20 = 73,748,633.46 : x
  2. Step 2: Convert to fraction form
    221,290,358.96/331,930,980.20 = 73,748,633.46/x
  3. Step 3: Cross multiply
    221,290,358.96x = 331,930,980.20 × 73,748,633.46
  4. Step 4: Simplify right side
    221,290,358.96x = 24,479,456,192,788,316
  5. Step 5: Solve for x
    x = 24,479,456,192,788,316/221,290,358.96
  6. Step 6: Final answer
    x = 110,621,431.08

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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.