Home / 127,819,336.80-191,729,005.20-107,412,002.40

Finding the Fourth Proportional to 127,819,336.80, 191,729,005.20 and 107,412,002.40

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Solution

The fourth proportional to 127,819,336.80, 191,729,005.20 and 107,412,002.40 is: 161,118,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819,336.80 : 191,729,005.20 = 107,412,002.40 : x
  2. Step 2: Convert to fraction form
    127,819,336.80/191,729,005.20 = 107,412,002.40/x
  3. Step 3: Cross multiply
    127,819,336.80x = 191,729,005.20 × 107,412,002.40
  4. Step 4: Simplify right side
    127,819,336.80x = 20,593,996,366,692,012
  5. Step 5: Solve for x
    x = 20,593,996,366,692,012/127,819,336.80
  6. Step 6: Final answer
    x = 161,118,003.60

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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.