Home / 126,758,109.74-190,150,054.20-43,749,058.77

Finding the Fourth Proportional to 126,758,109.74, 190,150,054.20 and 43,749,058.77

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Solution

The fourth proportional to 126,758,109.74, 190,150,054.20 and 43,749,058.77 is: 65,628,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,758,109.74 : 190,150,054.20 = 43,749,058.77 : x
  2. Step 2: Convert to fraction form
    126,758,109.74/190,150,054.20 = 43,749,058.77/x
  3. Step 3: Cross multiply
    126,758,109.74x = 190,150,054.20 × 43,749,058.77
  4. Step 4: Simplify right side
    126,758,109.74x = 8,318,885,896,314,485
  5. Step 5: Solve for x
    x = 8,318,885,896,314,485/126,758,109.74
  6. Step 6: Final answer
    x = 65,628,036.85

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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.