Home / 161,748,605.10-242,622,907.65-100,526,601.90

Finding the Fourth Proportional to 161,748,605.10, 242,622,907.65 and 100,526,601.90

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Solution

The fourth proportional to 161,748,605.10, 242,622,907.65 and 100,526,601.90 is: 150,789,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,748,605.10 : 242,622,907.65 = 100,526,601.90 : x
  2. Step 2: Convert to fraction form
    161,748,605.10/242,622,907.65 = 100,526,601.90/x
  3. Step 3: Cross multiply
    161,748,605.10x = 242,622,907.65 × 100,526,601.90
  4. Step 4: Simplify right side
    161,748,605.10x = 24,390,056,449,152,016
  5. Step 5: Solve for x
    x = 24,390,056,449,152,016/161,748,605.10
  6. Step 6: Final answer
    x = 150,789,902.85

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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.