Home / 103,601,615.66-142,969,352.73-57,190,873.13

Finding the Fourth Proportional to 103,601,615.66, 142,969,352.73 and 57,190,873.13

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Solution

The fourth proportional to 103,601,615.66, 142,969,352.73 and 57,190,873.13 is: 78,922,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,601,615.66 : 142,969,352.73 = 57,190,873.13 : x
  2. Step 2: Convert to fraction form
    103,601,615.66/142,969,352.73 = 57,190,873.13/x
  3. Step 3: Cross multiply
    103,601,615.66x = 142,969,352.73 × 57,190,873.13
  4. Step 4: Simplify right side
    103,601,615.66x = 8,176,542,113,459,649
  5. Step 5: Solve for x
    x = 8,176,542,113,459,649/103,601,615.66
  6. Step 6: Final answer
    x = 78,922,920.86

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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.