Home / 81,570,166.80-122,355,250.20-47,085,550.80

Finding the Fourth Proportional to 81,570,166.80, 122,355,250.20 and 47,085,550.80

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Solution

The fourth proportional to 81,570,166.80, 122,355,250.20 and 47,085,550.80 is: 70,628,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,570,166.80 : 122,355,250.20 = 47,085,550.80 : x
  2. Step 2: Convert to fraction form
    81,570,166.80/122,355,250.20 = 47,085,550.80/x
  3. Step 3: Cross multiply
    81,570,166.80x = 122,355,250.20 × 47,085,550.80
  4. Step 4: Simplify right side
    81,570,166.80x = 5,761,164,348,938,810
  5. Step 5: Solve for x
    x = 5,761,164,348,938,810/81,570,166.80
  6. Step 6: Final answer
    x = 70,628,326.20

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Double scale
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1.5x scale

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.