Home / 136,765,255.14-188,736,097.77-74,889,513.54

Finding the Fourth Proportional to 136,765,255.14, 188,736,097.77 and 74,889,513.54

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Solution

The fourth proportional to 136,765,255.14, 188,736,097.77 and 74,889,513.54 is: 103,347,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,765,255.14 : 188,736,097.77 = 74,889,513.54 : x
  2. Step 2: Convert to fraction form
    136,765,255.14/188,736,097.77 = 74,889,513.54/x
  3. Step 3: Cross multiply
    136,765,255.14x = 188,736,097.77 × 74,889,513.54
  4. Step 4: Simplify right side
    136,765,255.14x = 14,134,354,549,433,180
  5. Step 5: Solve for x
    x = 14,134,354,549,433,180/136,765,255.14
  6. Step 6: Final answer
    x = 103,347,553.70

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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.