Home / 412,841,928.96-619,115,341.44-136,441,987.20

Finding the Fourth Proportional to 412,841,928.96, 619,115,341.44 and 136,441,987.20

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Solution

The fourth proportional to 412,841,928.96, 619,115,341.44 and 136,441,987.20 is: 204,614,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,841,928.96 : 619,115,341.44 = 136,441,987.20 : x
  2. Step 2: Convert to fraction form
    412,841,928.96/619,115,341.44 = 136,441,987.20/x
  3. Step 3: Cross multiply
    412,841,928.96x = 619,115,341.44 × 136,441,987.20
  4. Step 4: Simplify right side
    412,841,928.96x = 84,473,327,492,080,112
  5. Step 5: Solve for x
    x = 84,473,327,492,080,112/412,841,928.96
  6. Step 6: Final answer
    x = 204,614,215.68

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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.