Home / 90,957,821.86-125,534,595.99-57,907,513.36

Finding the Fourth Proportional to 90,957,821.86, 125,534,595.99 and 57,907,513.36

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Solution

The fourth proportional to 90,957,821.86, 125,534,595.99 and 57,907,513.36 is: 79,920,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957,821.86 : 125,534,595.99 = 57,907,513.36 : x
  2. Step 2: Convert to fraction form
    90,957,821.86/125,534,595.99 = 57,907,513.36/x
  3. Step 3: Cross multiply
    90,957,821.86x = 125,534,595.99 × 57,907,513.36
  4. Step 4: Simplify right side
    90,957,821.86x = 7,269,396,294,433,127
  5. Step 5: Solve for x
    x = 7,269,396,294,433,127/90,957,821.86
  6. Step 6: Final answer
    x = 79,920,518.61

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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.