Home / 114,930,566.47-172,456,383.03-66,442,480.12

Finding the Fourth Proportional to 114,930,566.47, 172,456,383.03 and 66,442,480.12

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Solution

The fourth proportional to 114,930,566.47, 172,456,383.03 and 66,442,480.12 is: 99,698,715.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,930,566.47 : 172,456,383.03 = 66,442,480.12 : x
  2. Step 2: Convert to fraction form
    114,930,566.47/172,456,383.03 = 66,442,480.12/x
  3. Step 3: Cross multiply
    114,930,566.47x = 172,456,383.03 × 66,442,480.12
  4. Step 4: Simplify right side
    114,930,566.47x = 11,458,429,801,037,880
  5. Step 5: Solve for x
    x = 11,458,429,801,037,880/114,930,566.47
  6. Step 6: Final answer
    x = 99,698,715.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.