Home / 185,956,821.56-278,935,231.04-67,790,444.36

Finding the Fourth Proportional to 185,956,821.56, 278,935,231.04 and 67,790,444.36

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Solution

The fourth proportional to 185,956,821.56, 278,935,231.04 and 67,790,444.36 is: 101,685,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,956,821.56 : 278,935,231.04 = 67,790,444.36 : x
  2. Step 2: Convert to fraction form
    185,956,821.56/278,935,231.04 = 67,790,444.36/x
  3. Step 3: Cross multiply
    185,956,821.56x = 278,935,231.04 × 67,790,444.36
  4. Step 4: Simplify right side
    185,956,821.56x = 18,909,143,259,860,868
  5. Step 5: Solve for x
    x = 18,909,143,259,860,868/185,956,821.56
  6. Step 6: Final answer
    x = 101,685,666.07

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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.