Home / 65,999,731.78-91,096,372.20-45,100,223.56

Finding the Fourth Proportional to 65,999,731.78, 91,096,372.20 and 45,100,223.56

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Solution

The fourth proportional to 65,999,731.78, 91,096,372.20 and 45,100,223.56 is: 62,249,749.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999,731.78 : 91,096,372.20 = 45,100,223.56 : x
  2. Step 2: Convert to fraction form
    65,999,731.78/91,096,372.20 = 45,100,223.56/x
  3. Step 3: Cross multiply
    65,999,731.78x = 91,096,372.20 × 45,100,223.56
  4. Step 4: Simplify right side
    65,999,731.78x = 4,108,466,751,724,969.50
  5. Step 5: Solve for x
    x = 4,108,466,751,724,969.50/65,999,731.78
  6. Step 6: Final answer
    x = 62,249,749.22

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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.