Home / 117,636,222.60-176,292,906.93-74,428,076.70

Finding the Fourth Proportional to 117,636,222.60, 176,292,906.93 and 74,428,076.70

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Solution

The fourth proportional to 117,636,222.60, 176,292,906.93 and 74,428,076.70 is: 111,539,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,222.60 : 176,292,906.93 = 74,428,076.70 : x
  2. Step 2: Convert to fraction form
    117,636,222.60/176,292,906.93 = 74,428,076.70/x
  3. Step 3: Cross multiply
    117,636,222.60x = 176,292,906.93 × 74,428,076.70
  4. Step 4: Simplify right side
    117,636,222.60x = 13,121,141,998,652,002
  5. Step 5: Solve for x
    x = 13,121,141,998,652,002/117,636,222.60
  6. Step 6: Final answer
    x = 111,539,980.70

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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.