Home / 117,636,243.60-176,292,938.43-74,428,097.70

Finding the Fourth Proportional to 117,636,243.60, 176,292,938.43 and 74,428,097.70

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Solution

The fourth proportional to 117,636,243.60, 176,292,938.43 and 74,428,097.70 is: 111,540,012.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636,243.60 : 176,292,938.43 = 74,428,097.70 : x
  2. Step 2: Convert to fraction form
    117,636,243.60/176,292,938.43 = 74,428,097.70/x
  3. Step 3: Cross multiply
    117,636,243.60x = 176,292,938.43 × 74,428,097.70
  4. Step 4: Simplify right side
    117,636,243.60x = 13,121,148,045,288,126
  5. Step 5: Solve for x
    x = 13,121,148,045,288,126/117,636,243.60
  6. Step 6: Final answer
    x = 111,540,012.19

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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.