Home / 139,219,390.80-208,829,086.20-118,616,101.20

Finding the Fourth Proportional to 139,219,390.80, 208,829,086.20 and 118,616,101.20

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Solution

The fourth proportional to 139,219,390.80, 208,829,086.20 and 118,616,101.20 is: 177,924,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,219,390.80 : 208,829,086.20 = 118,616,101.20 : x
  2. Step 2: Convert to fraction form
    139,219,390.80/208,829,086.20 = 118,616,101.20/x
  3. Step 3: Cross multiply
    139,219,390.80x = 208,829,086.20 × 118,616,101.20
  4. Step 4: Simplify right side
    139,219,390.80x = 24,770,492,022,202,724
  5. Step 5: Solve for x
    x = 24,770,492,022,202,724/139,219,390.80
  6. Step 6: Final answer
    x = 177,924,151.80

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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.