Home / 81,054,630.47-111,855,242.18-43,884,906.19

Finding the Fourth Proportional to 81,054,630.47, 111,855,242.18 and 43,884,906.19

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Solution

The fourth proportional to 81,054,630.47, 111,855,242.18 and 43,884,906.19 is: 60,561,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,054,630.47 : 111,855,242.18 = 43,884,906.19 : x
  2. Step 2: Convert to fraction form
    81,054,630.47/111,855,242.18 = 43,884,906.19/x
  3. Step 3: Cross multiply
    81,054,630.47x = 111,855,242.18 × 43,884,906.19
  4. Step 4: Simplify right side
    81,054,630.47x = 4,908,756,809,759,105
  5. Step 5: Solve for x
    x = 4,908,756,809,759,105/81,054,630.47
  6. Step 6: Final answer
    x = 60,561,090.48

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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.