Home / 66,146,601.60-99,219,902.40-47,912,270.40

Finding the Fourth Proportional to 66,146,601.60, 99,219,902.40 and 47,912,270.40

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Solution

The fourth proportional to 66,146,601.60, 99,219,902.40 and 47,912,270.40 is: 71,868,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,146,601.60 : 99,219,902.40 = 47,912,270.40 : x
  2. Step 2: Convert to fraction form
    66,146,601.60/99,219,902.40 = 47,912,270.40/x
  3. Step 3: Cross multiply
    66,146,601.60x = 99,219,902.40 × 47,912,270.40
  4. Step 4: Simplify right side
    66,146,601.60x = 4,753,850,792,850,409
  5. Step 5: Solve for x
    x = 4,753,850,792,850,409/66,146,601.60
  6. Step 6: Final answer
    x = 71,868,405.60

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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.