Home / 53,448,946.07-80,173,685.99-18,905,379.64

Finding the Fourth Proportional to 53,448,946.07, 80,173,685.99 and 18,905,379.64

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Solution

The fourth proportional to 53,448,946.07, 80,173,685.99 and 18,905,379.64 is: 28,358,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,448,946.07 : 80,173,685.99 = 18,905,379.64 : x
  2. Step 2: Convert to fraction form
    53,448,946.07/80,173,685.99 = 18,905,379.64/x
  3. Step 3: Cross multiply
    53,448,946.07x = 80,173,685.99 × 18,905,379.64
  4. Step 4: Simplify right side
    53,448,946.07x = 1,515,713,970,625,928.50
  5. Step 5: Solve for x
    x = 1,515,713,970,625,928.50/53,448,946.07
  6. Step 6: Final answer
    x = 28,358,163.86

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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.