Home / 108,921,603.80-163,382,405.70-108,165,776.60

Finding the Fourth Proportional to 108,921,603.80, 163,382,405.70 and 108,165,776.60

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Solution

The fourth proportional to 108,921,603.80, 163,382,405.70 and 108,165,776.60 is: 162,248,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,921,603.80 : 163,382,405.70 = 108,165,776.60 : x
  2. Step 2: Convert to fraction form
    108,921,603.80/163,382,405.70 = 108,165,776.60/x
  3. Step 3: Cross multiply
    108,921,603.80x = 163,382,405.70 × 108,165,776.60
  4. Step 4: Simplify right side
    108,921,603.80x = 17,672,384,795,316,764
  5. Step 5: Solve for x
    x = 17,672,384,795,316,764/108,921,603.80
  6. Step 6: Final answer
    x = 162,248,664.90

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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.