Home / 108,889,430.55-163,334,145.83-54,469,872.15

Finding the Fourth Proportional to 108,889,430.55, 163,334,145.83 and 54,469,872.15

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Solution

The fourth proportional to 108,889,430.55, 163,334,145.83 and 54,469,872.15 is: 81,704,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,430.55 : 163,334,145.83 = 54,469,872.15 : x
  2. Step 2: Convert to fraction form
    108,889,430.55/163,334,145.83 = 54,469,872.15/x
  3. Step 3: Cross multiply
    108,889,430.55x = 163,334,145.83 × 54,469,872.15
  4. Step 4: Simplify right side
    108,889,430.55x = 8,896,790,040,817,205
  5. Step 5: Solve for x
    x = 8,896,790,040,817,205/108,889,430.55
  6. Step 6: Final answer
    x = 81,704,808.23

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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.