Home / 61,992,142.41-93,001,665.69-18,860,224.85

Finding the Fourth Proportional to 61,992,142.41, 93,001,665.69 and 18,860,224.85

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Solution

The fourth proportional to 61,992,142.41, 93,001,665.69 and 18,860,224.85 is: 28,294,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992,142.41 : 93,001,665.69 = 18,860,224.85 : x
  2. Step 2: Convert to fraction form
    61,992,142.41/93,001,665.69 = 18,860,224.85/x
  3. Step 3: Cross multiply
    61,992,142.41x = 93,001,665.69 × 18,860,224.85
  4. Step 4: Simplify right side
    61,992,142.41x = 1,754,032,325,872,922
  5. Step 5: Solve for x
    x = 1,754,032,325,872,922/61,992,142.41
  6. Step 6: Final answer
    x = 28,294,429.87

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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.