Home / 258,693,600.40-388,040,400.60-166,860,595.60

Finding the Fourth Proportional to 258,693,600.40, 388,040,400.60 and 166,860,595.60

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Solution

The fourth proportional to 258,693,600.40, 388,040,400.60 and 166,860,595.60 is: 250,290,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,693,600.40 : 388,040,400.60 = 166,860,595.60 : x
  2. Step 2: Convert to fraction form
    258,693,600.40/388,040,400.60 = 166,860,595.60/x
  3. Step 3: Cross multiply
    258,693,600.40x = 388,040,400.60 × 166,860,595.60
  4. Step 4: Simplify right side
    258,693,600.40x = 64,748,652,360,978,600
  5. Step 5: Solve for x
    x = 64,748,652,360,978,600/258,693,600.40
  6. Step 6: Final answer
    x = 250,290,893.40

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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.