Home / 88,347,721.28-121,649,457.72-88,092,629.60

Finding the Fourth Proportional to 88,347,721.28, 121,649,457.72 and 88,092,629.60

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Solution

The fourth proportional to 88,347,721.28, 121,649,457.72 and 88,092,629.60 is: 121,298,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,347,721.28 : 121,649,457.72 = 88,092,629.60 : x
  2. Step 2: Convert to fraction form
    88,347,721.28/121,649,457.72 = 88,092,629.60/x
  3. Step 3: Cross multiply
    88,347,721.28x = 121,649,457.72 × 88,092,629.60
  4. Step 4: Simplify right side
    88,347,721.28x = 10,716,420,619,968,820
  5. Step 5: Solve for x
    x = 10,716,420,619,968,820/88,347,721.28
  6. Step 6: Final answer
    x = 121,298,211.94

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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.