Home / 101,662,791.84-140,295,572.64-55,253,155.68

Finding the Fourth Proportional to 101,662,791.84, 140,295,572.64 and 55,253,155.68

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Solution

The fourth proportional to 101,662,791.84, 140,295,572.64 and 55,253,155.68 is: 76,249,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,662,791.84 : 140,295,572.64 = 55,253,155.68 : x
  2. Step 2: Convert to fraction form
    101,662,791.84/140,295,572.64 = 55,253,155.68/x
  3. Step 3: Cross multiply
    101,662,791.84x = 140,295,572.64 × 55,253,155.68
  4. Step 4: Simplify right side
    101,662,791.84x = 7,751,773,116,292,668
  5. Step 5: Solve for x
    x = 7,751,773,116,292,668/101,662,791.84
  6. Step 6: Final answer
    x = 76,249,854.80

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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.