Home / 281,903,752.40-422,729,657.40-109,323,208.40

Finding the Fourth Proportional to 281,903,752.40, 422,729,657.40 and 109,323,208.40

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Solution

The fourth proportional to 281,903,752.40, 422,729,657.40 and 109,323,208.40 is: 163,935,960.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,903,752.40 : 422,729,657.40 = 109,323,208.40 : x
  2. Step 2: Convert to fraction form
    281,903,752.40/422,729,657.40 = 109,323,208.40/x
  3. Step 3: Cross multiply
    281,903,752.40x = 422,729,657.40 × 109,323,208.40
  4. Step 4: Simplify right side
    281,903,752.40x = 46,214,162,432,800,800
  5. Step 5: Solve for x
    x = 46,214,162,432,800,800/281,903,752.40
  6. Step 6: Final answer
    x = 163,935,960.55

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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.