Home / 108,889,490.05-163,334,235.08-54,469,931.65

Finding the Fourth Proportional to 108,889,490.05, 163,334,235.08 and 54,469,931.65

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Solution

The fourth proportional to 108,889,490.05, 163,334,235.08 and 54,469,931.65 is: 81,704,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,490.05 : 163,334,235.08 = 54,469,931.65 : x
  2. Step 2: Convert to fraction form
    108,889,490.05/163,334,235.08 = 54,469,931.65/x
  3. Step 3: Cross multiply
    108,889,490.05x = 163,334,235.08 × 54,469,931.65
  4. Step 4: Simplify right side
    108,889,490.05x = 8,896,804,620,912,633
  5. Step 5: Solve for x
    x = 8,896,804,620,912,633/108,889,490.05
  6. Step 6: Final answer
    x = 81,704,897.48

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Double scale
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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.