Home / 216,072,396.52-298,179,921.75-118,287,252.52

Finding the Fourth Proportional to 216,072,396.52, 298,179,921.75 and 118,287,252.52

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Solution

The fourth proportional to 216,072,396.52, 298,179,921.75 and 118,287,252.52 is: 163,236,416.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072,396.52 : 298,179,921.75 = 118,287,252.52 : x
  2. Step 2: Convert to fraction form
    216,072,396.52/298,179,921.75 = 118,287,252.52/x
  3. Step 3: Cross multiply
    216,072,396.52x = 298,179,921.75 × 118,287,252.52
  4. Step 4: Simplify right side
    216,072,396.52x = 35,270,883,699,911,836
  5. Step 5: Solve for x
    x = 35,270,883,699,911,836/216,072,396.52
  6. Step 6: Final answer
    x = 163,236,416.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.