Home / 243,247,663.20-364,933,689.30-70,724,475.96

Finding the Fourth Proportional to 243,247,663.20, 364,933,689.30 and 70,724,475.96

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Solution

The fourth proportional to 243,247,663.20, 364,933,689.30 and 70,724,475.96 is: 106,104,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,247,663.20 : 364,933,689.30 = 70,724,475.96 : x
  2. Step 2: Convert to fraction form
    243,247,663.20/364,933,689.30 = 70,724,475.96/x
  3. Step 3: Cross multiply
    243,247,663.20x = 364,933,689.30 × 70,724,475.96
  4. Step 4: Simplify right side
    243,247,663.20x = 25,809,743,935,891,956
  5. Step 5: Solve for x
    x = 25,809,743,935,891,956/243,247,663.20
  6. Step 6: Final answer
    x = 106,104,797.05

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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.