Home / 231,845,128.20-347,809,682.70-116,539,489.80

Finding the Fourth Proportional to 231,845,128.20, 347,809,682.70 and 116,539,489.80

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Solution

The fourth proportional to 231,845,128.20, 347,809,682.70 and 116,539,489.80 is: 174,830,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,845,128.20 : 347,809,682.70 = 116,539,489.80 : x
  2. Step 2: Convert to fraction form
    231,845,128.20/347,809,682.70 = 116,539,489.80/x
  3. Step 3: Cross multiply
    231,845,128.20x = 347,809,682.70 × 116,539,489.80
  4. Step 4: Simplify right side
    231,845,128.20x = 40,533,562,969,357,888
  5. Step 5: Solve for x
    x = 40,533,562,969,357,888/231,845,128.20
  6. Step 6: Final answer
    x = 174,830,341.63

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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.