Home / 141,662,790.54-195,584,914.26-115,619,430.78

Finding the Fourth Proportional to 141,662,790.54, 195,584,914.26 and 115,619,430.78

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Solution

The fourth proportional to 141,662,790.54, 195,584,914.26 and 115,619,430.78 is: 159,628,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,662,790.54 : 195,584,914.26 = 115,619,430.78 : x
  2. Step 2: Convert to fraction form
    141,662,790.54/195,584,914.26 = 115,619,430.78/x
  3. Step 3: Cross multiply
    141,662,790.54x = 195,584,914.26 × 115,619,430.78
  4. Step 4: Simplify right side
    141,662,790.54x = 22,613,416,455,896,304
  5. Step 5: Solve for x
    x = 22,613,416,455,896,304/141,662,790.54
  6. Step 6: Final answer
    x = 159,628,483.74

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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.