Home / 301,128,108.22-451,713,751.92-126,074,985.76

Finding the Fourth Proportional to 301,128,108.22, 451,713,751.92 and 126,074,985.76

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Solution

The fourth proportional to 301,128,108.22, 451,713,751.92 and 126,074,985.76 is: 189,121,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,128,108.22 : 451,713,751.92 = 126,074,985.76 : x
  2. Step 2: Convert to fraction form
    301,128,108.22/451,713,751.92 = 126,074,985.76/x
  3. Step 3: Cross multiply
    301,128,108.22x = 451,713,751.92 × 126,074,985.76
  4. Step 4: Simplify right side
    301,128,108.22x = 56,949,804,840,910,176
  5. Step 5: Solve for x
    x = 56,949,804,840,910,176/301,128,108.22
  6. Step 6: Final answer
    x = 189,121,517.67

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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.