Home / 72,035,583.62-108,056,365.42-20,917,602.50

Finding the Fourth Proportional to 72,035,583.62, 108,056,365.42 and 20,917,602.50

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Solution

The fourth proportional to 72,035,583.62, 108,056,365.42 and 20,917,602.50 is: 31,377,271.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,035,583.62 : 108,056,365.42 = 20,917,602.50 : x
  2. Step 2: Convert to fraction form
    72,035,583.62/108,056,365.42 = 20,917,602.50/x
  3. Step 3: Cross multiply
    72,035,583.62x = 108,056,365.42 × 20,917,602.50
  4. Step 4: Simplify right side
    72,035,583.62x = 2,260,280,099,450,305.50
  5. Step 5: Solve for x
    x = 2,260,280,099,450,305.50/72,035,583.62
  6. Step 6: Final answer
    x = 31,377,271.98

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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.