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Finding the Fourth Proportional to 61,241,608.70, 91,862,413.05 and 30,630,607.10

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Solution

The fourth proportional to 61,241,608.70, 91,862,413.05 and 30,630,607.10 is: 45,945,910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,241,608.70 : 91,862,413.05 = 30,630,607.10 : x
  2. Step 2: Convert to fraction form
    61,241,608.70/91,862,413.05 = 30,630,607.10/x
  3. Step 3: Cross multiply
    61,241,608.70x = 91,862,413.05 × 30,630,607.10
  4. Step 4: Simplify right side
    61,241,608.70x = 2,813,801,481,392,462.50
  5. Step 5: Solve for x
    x = 2,813,801,481,392,462.50/61,241,608.70
  6. Step 6: Final answer
    x = 45,945,910.65

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Double scale
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Similar ratio
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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.