Home / 252,035,540.23-347,577,904.11-172,765,800.67

Finding the Fourth Proportional to 252,035,540.23, 347,577,904.11 and 172,765,800.67

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Solution

The fourth proportional to 252,035,540.23, 347,577,904.11 and 172,765,800.67 is: 238,258,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,035,540.23 : 347,577,904.11 = 172,765,800.67 : x
  2. Step 2: Convert to fraction form
    252,035,540.23/347,577,904.11 = 172,765,800.67/x
  3. Step 3: Cross multiply
    252,035,540.23x = 347,577,904.11 × 172,765,800.67
  4. Step 4: Simplify right side
    252,035,540.23x = 60,049,574,898,714,992
  5. Step 5: Solve for x
    x = 60,049,574,898,714,992/252,035,540.23
  6. Step 6: Final answer
    x = 238,258,361.67

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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.