Home / 47,223,505.73-65,133,749.13-31,299,792.17

Finding the Fourth Proportional to 47,223,505.73, 65,133,749.13 and 31,299,792.17

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Solution

The fourth proportional to 47,223,505.73, 65,133,749.13 and 31,299,792.17 is: 43,170,721.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,223,505.73 : 65,133,749.13 = 31,299,792.17 : x
  2. Step 2: Convert to fraction form
    47,223,505.73/65,133,749.13 = 31,299,792.17/x
  3. Step 3: Cross multiply
    47,223,505.73x = 65,133,749.13 × 31,299,792.17
  4. Step 4: Simplify right side
    47,223,505.73x = 2,038,672,810,696,249.50
  5. Step 5: Solve for x
    x = 2,038,672,810,696,249.50/47,223,505.73
  6. Step 6: Final answer
    x = 43,170,721.43

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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.