Home / 172,814,523.21-259,222,047.72-70,578,560.84

Finding the Fourth Proportional to 172,814,523.21, 259,222,047.72 and 70,578,560.84

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Solution

The fourth proportional to 172,814,523.21, 259,222,047.72 and 70,578,560.84 is: 105,867,948.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,814,523.21 : 259,222,047.72 = 70,578,560.84 : x
  2. Step 2: Convert to fraction form
    172,814,523.21/259,222,047.72 = 70,578,560.84/x
  3. Step 3: Cross multiply
    172,814,523.21x = 259,222,047.72 × 70,578,560.84
  4. Step 4: Simplify right side
    172,814,523.21x = 18,295,519,064,779,292
  5. Step 5: Solve for x
    x = 18,295,519,064,779,292/172,814,523.21
  6. Step 6: Final answer
    x = 105,867,948.62

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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.