Home / 208,695,931.20-313,043,896.80-132,105,441.60

Finding the Fourth Proportional to 208,695,931.20, 313,043,896.80 and 132,105,441.60

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Solution

The fourth proportional to 208,695,931.20, 313,043,896.80 and 132,105,441.60 is: 198,158,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,695,931.20 : 313,043,896.80 = 132,105,441.60 : x
  2. Step 2: Convert to fraction form
    208,695,931.20/313,043,896.80 = 132,105,441.60/x
  3. Step 3: Cross multiply
    208,695,931.20x = 313,043,896.80 × 132,105,441.60
  4. Step 4: Simplify right side
    208,695,931.20x = 41,354,802,226,948,824
  5. Step 5: Solve for x
    x = 41,354,802,226,948,824/208,695,931.20
  6. Step 6: Final answer
    x = 198,158,162.40

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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.