Home / 78,335,727,177.16-117,526,644,668-25,275,764,916.28

Finding the Fourth Proportional to 78,335,727,177.16, 117,526,644,668 and 25,275,764,916.28

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Solution

The fourth proportional to 78,335,727,177.16, 117,526,644,668 and 25,275,764,916.28 is: 37,921,085,934.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335,727,177.16 : 117,526,644,668 = 25,275,764,916.28 : x
  2. Step 2: Convert to fraction form
    78,335,727,177.16/117,526,644,668 = 25,275,764,916.28/x
  3. Step 3: Cross multiply
    78,335,727,177.16x = 117,526,644,668 × 25,275,764,916.28
  4. Step 4: Simplify right side
    78,335,727,177.16x = 2,970,575,842,027,540,316,160
  5. Step 5: Solve for x
    x = 2,970,575,842,027,540,316,160/78,335,727,177.16
  6. Step 6: Final answer
    x = 37,921,085,934.51

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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.