Home / 231,760,657.60-347,640,986.40-145,559,615.20

Finding the Fourth Proportional to 231,760,657.60, 347,640,986.40 and 145,559,615.20

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Solution

The fourth proportional to 231,760,657.60, 347,640,986.40 and 145,559,615.20 is: 218,339,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,760,657.60 : 347,640,986.40 = 145,559,615.20 : x
  2. Step 2: Convert to fraction form
    231,760,657.60/347,640,986.40 = 145,559,615.20/x
  3. Step 3: Cross multiply
    231,760,657.60x = 347,640,986.40 × 145,559,615.20
  4. Step 4: Simplify right side
    231,760,657.60x = 50,602,488,208,132,424
  5. Step 5: Solve for x
    x = 50,602,488,208,132,424/231,760,657.60
  6. Step 6: Final answer
    x = 218,339,422.80

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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.