Home / 212,901,087.20-319,362,128.40-110,864,415.20

Finding the Fourth Proportional to 212,901,087.20, 319,362,128.40 and 110,864,415.20

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Solution

The fourth proportional to 212,901,087.20, 319,362,128.40 and 110,864,415.20 is: 166,302,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,901,087.20 : 319,362,128.40 = 110,864,415.20 : x
  2. Step 2: Convert to fraction form
    212,901,087.20/319,362,128.40 = 110,864,415.20/x
  3. Step 3: Cross multiply
    212,901,087.20x = 319,362,128.40 × 110,864,415.20
  4. Step 4: Simplify right side
    212,901,087.20x = 35,405,895,602,093,308
  5. Step 5: Solve for x
    x = 35,405,895,602,093,308/212,901,087.20
  6. Step 6: Final answer
    x = 166,302,089.24

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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.