Home / 192,019,428.15-264,987,470.40-103,913,402.45

Finding the Fourth Proportional to 192,019,428.15, 264,987,470.40 and 103,913,402.45

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Solution

The fourth proportional to 192,019,428.15, 264,987,470.40 and 103,913,402.45 is: 143,400,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,019,428.15 : 264,987,470.40 = 103,913,402.45 : x
  2. Step 2: Convert to fraction form
    192,019,428.15/264,987,470.40 = 103,913,402.45/x
  3. Step 3: Cross multiply
    192,019,428.15x = 264,987,470.40 × 103,913,402.45
  4. Step 4: Simplify right side
    192,019,428.15x = 27,535,749,654,557,724
  5. Step 5: Solve for x
    x = 27,535,749,654,557,724/192,019,428.15
  6. Step 6: Final answer
    x = 143,400,852.30

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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.