Home / 66,293,821.96-91,487,655.76-36,522,890.80

Finding the Fourth Proportional to 66,293,821.96, 91,487,655.76 and 36,522,890.80

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Solution

The fourth proportional to 66,293,821.96, 91,487,655.76 and 36,522,890.80 is: 50,402,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,293,821.96 : 91,487,655.76 = 36,522,890.80 : x
  2. Step 2: Convert to fraction form
    66,293,821.96/91,487,655.76 = 36,522,890.80/x
  3. Step 3: Cross multiply
    66,293,821.96x = 91,487,655.76 × 36,522,890.80
  4. Step 4: Simplify right side
    66,293,821.96x = 3,341,393,660,870,471
  5. Step 5: Solve for x
    x = 3,341,393,660,870,471/66,293,821.96
  6. Step 6: Final answer
    x = 50,402,791.12

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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.