Home / 126,121,628.54-174,106,438-73,903,416.86

Finding the Fourth Proportional to 126,121,628.54, 174,106,438 and 73,903,416.86

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Solution

The fourth proportional to 126,121,628.54, 174,106,438 and 73,903,416.86 is: 102,021,047.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,121,628.54 : 174,106,438 = 73,903,416.86 : x
  2. Step 2: Convert to fraction form
    126,121,628.54/174,106,438 = 73,903,416.86/x
  3. Step 3: Cross multiply
    126,121,628.54x = 174,106,438 × 73,903,416.86
  4. Step 4: Simplify right side
    126,121,628.54x = 12,867,060,665,523,744
  5. Step 5: Solve for x
    x = 12,867,060,665,523,744/126,121,628.54
  6. Step 6: Final answer
    x = 102,021,047.58

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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.