Home / 71,279,078.94-98,365,128.94-38,684,030.94

Finding the Fourth Proportional to 71,279,078.94, 98,365,128.94 and 38,684,030.94

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Solution

The fourth proportional to 71,279,078.94, 98,365,128.94 and 38,684,030.94 is: 53,383,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,279,078.94 : 98,365,128.94 = 38,684,030.94 : x
  2. Step 2: Convert to fraction form
    71,279,078.94/98,365,128.94 = 38,684,030.94/x
  3. Step 3: Cross multiply
    71,279,078.94x = 98,365,128.94 × 38,684,030.94
  4. Step 4: Simplify right side
    71,279,078.94x = 3,805,159,691,332,049
  5. Step 5: Solve for x
    x = 3,805,159,691,332,049/71,279,078.94
  6. Step 6: Final answer
    x = 53,383,962.70

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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.