Home / 167,732,313.66-231,480,120.06-100,771,753.68

Finding the Fourth Proportional to 167,732,313.66, 231,480,120.06 and 100,771,753.68

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Solution

The fourth proportional to 167,732,313.66, 231,480,120.06 and 100,771,753.68 is: 139,070,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,732,313.66 : 231,480,120.06 = 100,771,753.68 : x
  2. Step 2: Convert to fraction form
    167,732,313.66/231,480,120.06 = 100,771,753.68/x
  3. Step 3: Cross multiply
    167,732,313.66x = 231,480,120.06 × 100,771,753.68
  4. Step 4: Simplify right side
    167,732,313.66x = 23,326,657,640,503,148
  5. Step 5: Solve for x
    x = 23,326,657,640,503,148/167,732,313.66
  6. Step 6: Final answer
    x = 139,070,743.92

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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.