Home / 231,840,512.30-347,760,768.45-124,345,088.30

Finding the Fourth Proportional to 231,840,512.30, 347,760,768.45 and 124,345,088.30

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Solution

The fourth proportional to 231,840,512.30, 347,760,768.45 and 124,345,088.30 is: 186,517,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,840,512.30 : 347,760,768.45 = 124,345,088.30 : x
  2. Step 2: Convert to fraction form
    231,840,512.30/347,760,768.45 = 124,345,088.30/x
  3. Step 3: Cross multiply
    231,840,512.30x = 347,760,768.45 × 124,345,088.30
  4. Step 4: Simplify right side
    231,840,512.30x = 43,242,343,460,191,104
  5. Step 5: Solve for x
    x = 43,242,343,460,191,104/231,840,512.30
  6. Step 6: Final answer
    x = 186,517,632.45

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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.