Home / 81,077,430.99-111,886,297.63-43,906,860.66

Finding the Fourth Proportional to 81,077,430.99, 111,886,297.63 and 43,906,860.66

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Solution

The fourth proportional to 81,077,430.99, 111,886,297.63 and 43,906,860.66 is: 60,591,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,077,430.99 : 111,886,297.63 = 43,906,860.66 : x
  2. Step 2: Convert to fraction form
    81,077,430.99/111,886,297.63 = 43,906,860.66/x
  3. Step 3: Cross multiply
    81,077,430.99x = 111,886,297.63 × 43,906,860.66
  4. Step 4: Simplify right side
    81,077,430.99x = 4,912,576,079,803,698
  5. Step 5: Solve for x
    x = 4,912,576,079,803,698/81,077,430.99
  6. Step 6: Final answer
    x = 60,591,166.00

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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.