Home / 79,831,204.90-110,166,969.45-43,161,688.42

Finding the Fourth Proportional to 79,831,204.90, 110,166,969.45 and 43,161,688.42

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Solution

The fourth proportional to 79,831,204.90, 110,166,969.45 and 43,161,688.42 is: 59,563,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,831,204.90 : 110,166,969.45 = 43,161,688.42 : x
  2. Step 2: Convert to fraction form
    79,831,204.90/110,166,969.45 = 43,161,688.42/x
  3. Step 3: Cross multiply
    79,831,204.90x = 110,166,969.45 × 43,161,688.42
  4. Step 4: Simplify right side
    79,831,204.90x = 4,754,992,409,576,559
  5. Step 5: Solve for x
    x = 4,754,992,409,576,559/79,831,204.90
  6. Step 6: Final answer
    x = 59,563,079.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.