Home / 212,300,524,343.77-318,495,511,070.88-68,868,352,979.79

Finding the Fourth Proportional to 212,300,524,343.77, 318,495,511,070.88 and 68,868,352,979.79

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Solution

The fourth proportional to 212,300,524,343.77, 318,495,511,070.88 and 68,868,352,979.79 is: 103,317,037,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,300,524,343.77 : 318,495,511,070.88 = 68,868,352,979.79 : x
  2. Step 2: Convert to fraction form
    212,300,524,343.77/318,495,511,070.88 = 68,868,352,979.79/x
  3. Step 3: Cross multiply
    212,300,524,343.77x = 318,495,511,070.88 × 68,868,352,979.79
  4. Step 4: Simplify right side
    212,300,524,343.77x = 21,934,261,278,907,977,170,944
  5. Step 5: Solve for x
    x = 21,934,261,278,907,977,170,944/212,300,524,343.77
  6. Step 6: Final answer
    x = 103,317,037,707.32

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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.