Home / 132,624,421.80-198,936,632.70-121,145,296.20

Finding the Fourth Proportional to 132,624,421.80, 198,936,632.70 and 121,145,296.20

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Solution

The fourth proportional to 132,624,421.80, 198,936,632.70 and 121,145,296.20 is: 181,717,944.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624,421.80 : 198,936,632.70 = 121,145,296.20 : x
  2. Step 2: Convert to fraction form
    132,624,421.80/198,936,632.70 = 121,145,296.20/x
  3. Step 3: Cross multiply
    132,624,421.80x = 198,936,632.70 × 121,145,296.20
  4. Step 4: Simplify right side
    132,624,421.80x = 24,100,237,293,472,104
  5. Step 5: Solve for x
    x = 24,100,237,293,472,104/132,624,421.80
  6. Step 6: Final answer
    x = 181,717,944.30

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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.