Home / 131,428,811.20-196,765,303.20-127,649,675.20

Finding the Fourth Proportional to 131,428,811.20, 196,765,303.20 and 127,649,675.20

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Solution

The fourth proportional to 131,428,811.20, 196,765,303.20 and 127,649,675.20 is: 191,107,465.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,428,811.20 : 196,765,303.20 = 127,649,675.20 : x
  2. Step 2: Convert to fraction form
    131,428,811.20/196,765,303.20 = 127,649,675.20/x
  3. Step 3: Cross multiply
    131,428,811.20x = 196,765,303.20 × 127,649,675.20
  4. Step 4: Simplify right side
    131,428,811.20x = 25,117,027,044,109,520
  5. Step 5: Solve for x
    x = 25,117,027,044,109,520/131,428,811.20
  6. Step 6: Final answer
    x = 191,107,465.82

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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.