Home / 248,721,815.70-373,082,723.55-191,326,187.70

Finding the Fourth Proportional to 248,721,815.70, 373,082,723.55 and 191,326,187.70

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Solution

The fourth proportional to 248,721,815.70, 373,082,723.55 and 191,326,187.70 is: 286,989,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721,815.70 : 373,082,723.55 = 191,326,187.70 : x
  2. Step 2: Convert to fraction form
    248,721,815.70/373,082,723.55 = 191,326,187.70/x
  3. Step 3: Cross multiply
    248,721,815.70x = 373,082,723.55 × 191,326,187.70
  4. Step 4: Simplify right side
    248,721,815.70x = 71,380,495,193,554,512
  5. Step 5: Solve for x
    x = 71,380,495,193,554,512/248,721,815.70
  6. Step 6: Final answer
    x = 286,989,281.55

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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.