Home / 216,072,416.73-298,179,949.65-118,287,272.73

Finding the Fourth Proportional to 216,072,416.73, 298,179,949.65 and 118,287,272.73

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Solution

The fourth proportional to 216,072,416.73, 298,179,949.65 and 118,287,272.73 is: 163,236,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,072,416.73 : 298,179,949.65 = 118,287,272.73 : x
  2. Step 2: Convert to fraction form
    216,072,416.73/298,179,949.65 = 118,287,272.73/x
  3. Step 3: Cross multiply
    216,072,416.73x = 298,179,949.65 × 118,287,272.73
  4. Step 4: Simplify right side
    216,072,416.73x = 35,270,893,026,867,216
  5. Step 5: Solve for x
    x = 35,270,893,026,867,216/216,072,416.73
  6. Step 6: Final answer
    x = 163,236,444.34

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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.