Home / 212,218,710.30-292,859,753.31-118,131,365.34

Finding the Fourth Proportional to 212,218,710.30, 292,859,753.31 and 118,131,365.34

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Solution

The fourth proportional to 212,218,710.30, 292,859,753.31 and 118,131,365.34 is: 163,020,133.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,218,710.30 : 292,859,753.31 = 118,131,365.34 : x
  2. Step 2: Convert to fraction form
    212,218,710.30/292,859,753.31 = 118,131,365.34/x
  3. Step 3: Cross multiply
    212,218,710.30x = 292,859,753.31 × 118,131,365.34
  4. Step 4: Simplify right side
    212,218,710.30x = 34,595,922,511,645,884
  5. Step 5: Solve for x
    x = 34,595,922,511,645,884/212,218,710.30
  6. Step 6: Final answer
    x = 163,020,133.63

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