Home / 78,494,497.47-117,760,379.85-24,641,809.47

Finding the Fourth Proportional to 78,494,497.47, 117,760,379.85 and 24,641,809.47

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Solution

The fourth proportional to 78,494,497.47, 117,760,379.85 and 24,641,809.47 is: 36,968,563.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,494,497.47 : 117,760,379.85 = 24,641,809.47 : x
  2. Step 2: Convert to fraction form
    78,494,497.47/117,760,379.85 = 24,641,809.47/x
  3. Step 3: Cross multiply
    78,494,497.47x = 117,760,379.85 × 24,641,809.47
  4. Step 4: Simplify right side
    78,494,497.47x = 2,901,828,843,378,527
  5. Step 5: Solve for x
    x = 2,901,828,843,378,527/78,494,497.47
  6. Step 6: Final answer
    x = 36,968,563.87

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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.