Home / 108,889,405.80-163,334,108.70-54,469,847.40

Finding the Fourth Proportional to 108,889,405.80, 163,334,108.70 and 54,469,847.40

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Solution

The fourth proportional to 108,889,405.80, 163,334,108.70 and 54,469,847.40 is: 81,704,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,405.80 : 163,334,108.70 = 54,469,847.40 : x
  2. Step 2: Convert to fraction form
    108,889,405.80/163,334,108.70 = 54,469,847.40/x
  3. Step 3: Cross multiply
    108,889,405.80x = 163,334,108.70 × 54,469,847.40
  4. Step 4: Simplify right side
    108,889,405.80x = 8,896,783,976,104,011
  5. Step 5: Solve for x
    x = 8,896,783,976,104,011/108,889,405.80
  6. Step 6: Final answer
    x = 81,704,771.10

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1.5x scale

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.