Home / 117,636,287.54-176,293,004.47-74,428,141.34

Finding the Fourth Proportional to 117,636,287.54, 176,293,004.47 and 74,428,141.34

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Solution

The fourth proportional to 117,636,287.54, 176,293,004.47 and 74,428,141.34 is: 111,540,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,287.54 : 176,293,004.47 = 74,428,141.34 : x
  2. Step 2: Convert to fraction form
    117,636,287.54/176,293,004.47 = 74,428,141.34/x
  3. Step 3: Cross multiply
    117,636,287.54x = 176,293,004.47 × 74,428,141.34
  4. Step 4: Simplify right side
    117,636,287.54x = 13,121,160,652,878,876
  5. Step 5: Solve for x
    x = 13,121,160,652,878,876/117,636,287.54
  6. Step 6: Final answer
    x = 111,540,077.71

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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.