Home / 72,831,860.25-109,176,783.75-29,099,580.36

Finding the Fourth Proportional to 72,831,860.25, 109,176,783.75 and 29,099,580.36

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Solution

The fourth proportional to 72,831,860.25, 109,176,783.75 and 29,099,580.36 is: 43,621,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,831,860.25 : 109,176,783.75 = 29,099,580.36 : x
  2. Step 2: Convert to fraction form
    72,831,860.25/109,176,783.75 = 29,099,580.36/x
  3. Step 3: Cross multiply
    72,831,860.25x = 109,176,783.75 × 29,099,580.36
  4. Step 4: Simplify right side
    72,831,860.25x = 3,176,998,592,179,467
  5. Step 5: Solve for x
    x = 3,176,998,592,179,467/72,831,860.25
  6. Step 6: Final answer
    x = 43,621,000.22

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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.