Home / 142,270,175.33-196,224,518.60-122,457,661.19

Finding the Fourth Proportional to 142,270,175.33, 196,224,518.60 and 122,457,661.19

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Solution

The fourth proportional to 142,270,175.33, 196,224,518.60 and 122,457,661.19 is: 168,898,334.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,270,175.33 : 196,224,518.60 = 122,457,661.19 : x
  2. Step 2: Convert to fraction form
    142,270,175.33/196,224,518.60 = 122,457,661.19/x
  3. Step 3: Cross multiply
    142,270,175.33x = 196,224,518.60 × 122,457,661.19
  4. Step 4: Simplify right side
    142,270,175.33x = 24,029,195,615,491,300
  5. Step 5: Solve for x
    x = 24,029,195,615,491,300/142,270,175.33
  6. Step 6: Final answer
    x = 168,898,334.17

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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.