Home / 281,883,750.90-422,699,655.15-109,303,206.90

Finding the Fourth Proportional to 281,883,750.90, 422,699,655.15 and 109,303,206.90

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Solution

The fourth proportional to 281,883,750.90, 422,699,655.15 and 109,303,206.90 is: 163,905,963.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,883,750.90 : 422,699,655.15 = 109,303,206.90 : x
  2. Step 2: Convert to fraction form
    281,883,750.90/422,699,655.15 = 109,303,206.90/x
  3. Step 3: Cross multiply
    281,883,750.90x = 422,699,655.15 × 109,303,206.90
  4. Step 4: Simplify right side
    281,883,750.90x = 46,202,427,863,419,104
  5. Step 5: Solve for x
    x = 46,202,427,863,419,104/281,883,750.90
  6. Step 6: Final answer
    x = 163,905,963.77

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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.