Home / 73,009,187.04-100,752,520.43-39,969,168.38

Finding the Fourth Proportional to 73,009,187.04, 100,752,520.43 and 39,969,168.38

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Solution

The fourth proportional to 73,009,187.04, 100,752,520.43 and 39,969,168.38 is: 55,157,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,009,187.04 : 100,752,520.43 = 39,969,168.38 : x
  2. Step 2: Convert to fraction form
    73,009,187.04/100,752,520.43 = 39,969,168.38/x
  3. Step 3: Cross multiply
    73,009,187.04x = 100,752,520.43 × 39,969,168.38
  4. Step 4: Simplify right side
    73,009,187.04x = 4,026,994,453,372,220.50
  5. Step 5: Solve for x
    x = 4,026,994,453,372,220.50/73,009,187.04
  6. Step 6: Final answer
    x = 55,157,366.03

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1.5x scale

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.