Home / 172,051,268.40-258,076,902.60-158,912,938.80

Finding the Fourth Proportional to 172,051,268.40, 258,076,902.60 and 158,912,938.80

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Solution

The fourth proportional to 172,051,268.40, 258,076,902.60 and 158,912,938.80 is: 238,369,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,051,268.40 : 258,076,902.60 = 158,912,938.80 : x
  2. Step 2: Convert to fraction form
    172,051,268.40/258,076,902.60 = 158,912,938.80/x
  3. Step 3: Cross multiply
    172,051,268.40x = 258,076,902.60 × 158,912,938.80
  4. Step 4: Simplify right side
    172,051,268.40x = 41,011,759,028,567,360
  5. Step 5: Solve for x
    x = 41,011,759,028,567,360/172,051,268.40
  6. Step 6: Final answer
    x = 238,369,408.20

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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.