Home / 103,422,193.33-155,133,289.99-60,340,042.93

Finding the Fourth Proportional to 103,422,193.33, 155,133,289.99 and 60,340,042.93

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Solution

The fourth proportional to 103,422,193.33, 155,133,289.99 and 60,340,042.93 is: 90,510,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,422,193.33 : 155,133,289.99 = 60,340,042.93 : x
  2. Step 2: Convert to fraction form
    103,422,193.33/155,133,289.99 = 60,340,042.93/x
  3. Step 3: Cross multiply
    103,422,193.33x = 155,133,289.99 × 60,340,042.93
  4. Step 4: Simplify right side
    103,422,193.33x = 9,360,749,377,868,740
  5. Step 5: Solve for x
    x = 9,360,749,377,868,740/103,422,193.33
  6. Step 6: Final answer
    x = 90,510,064.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.