Home / 141,347,218.60-195,070,941.77-78,635,130.29

Finding the Fourth Proportional to 141,347,218.60, 195,070,941.77 and 78,635,130.29

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Solution

The fourth proportional to 141,347,218.60, 195,070,941.77 and 78,635,130.29 is: 108,523,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,347,218.60 : 195,070,941.77 = 78,635,130.29 : x
  2. Step 2: Convert to fraction form
    141,347,218.60/195,070,941.77 = 78,635,130.29/x
  3. Step 3: Cross multiply
    141,347,218.60x = 195,070,941.77 × 78,635,130.29
  4. Step 4: Simplify right side
    141,347,218.60x = 15,339,428,921,876,956
  5. Step 5: Solve for x
    x = 15,339,428,921,876,956/141,347,218.60
  6. Step 6: Final answer
    x = 108,523,033.38

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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.