Home / 192,019,428.66-264,987,471.09-103,913,402.94

Finding the Fourth Proportional to 192,019,428.66, 264,987,471.09 and 103,913,402.94

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Solution

The fourth proportional to 192,019,428.66, 264,987,471.09 and 103,913,402.94 is: 143,400,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,428.66 : 264,987,471.09 = 103,913,402.94 : x
  2. Step 2: Convert to fraction form
    192,019,428.66/264,987,471.09 = 103,913,402.94/x
  3. Step 3: Cross multiply
    192,019,428.66x = 264,987,471.09 × 103,913,402.94
  4. Step 4: Simplify right side
    192,019,428.66x = 27,535,749,857,426,772
  5. Step 5: Solve for x
    x = 27,535,749,857,426,772/192,019,428.66
  6. Step 6: Final answer
    x = 143,400,852.97

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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.