Home / 34,085,039.90-47,038,515.77-20,158,333.25

Finding the Fourth Proportional to 34,085,039.90, 47,038,515.77 and 20,158,333.25

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Solution

The fourth proportional to 34,085,039.90, 47,038,515.77 and 20,158,333.25 is: 27,819,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,039.90 : 47,038,515.77 = 20,158,333.25 : x
  2. Step 2: Convert to fraction form
    34,085,039.90/47,038,515.77 = 20,158,333.25/x
  3. Step 3: Cross multiply
    34,085,039.90x = 47,038,515.77 × 20,158,333.25
  4. Step 4: Simplify right side
    34,085,039.90x = 948,218,076,292,243.62
  5. Step 5: Solve for x
    x = 948,218,076,292,243.62/34,085,039.90
  6. Step 6: Final answer
    x = 27,819,186.34

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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.