Home / 250,352,015.67-345,506,464.19-138,878,796.80

Finding the Fourth Proportional to 250,352,015.67, 345,506,464.19 and 138,878,796.80

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Solution

The fourth proportional to 250,352,015.67, 345,506,464.19 and 138,878,796.80 is: 191,664,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,352,015.67 : 345,506,464.19 = 138,878,796.80 : x
  2. Step 2: Convert to fraction form
    250,352,015.67/345,506,464.19 = 138,878,796.80/x
  3. Step 3: Cross multiply
    250,352,015.67x = 345,506,464.19 × 138,878,796.80
  4. Step 4: Simplify right side
    250,352,015.67x = 47,983,522,030,907,560
  5. Step 5: Solve for x
    x = 47,983,522,030,907,560/250,352,015.67
  6. Step 6: Final answer
    x = 191,664,212.90

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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.