Home / 81,859,857,187.40-122,680,027,352.91-63,709,561,391.77

Finding the Fourth Proportional to 81,859,857,187.40, 122,680,027,352.91 and 63,709,561,391.77

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Solution

The fourth proportional to 81,859,857,187.40, 122,680,027,352.91 and 63,709,561,391.77 is: 95,478,919,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,859,857,187.40 : 122,680,027,352.91 = 63,709,561,391.77 : x
  2. Step 2: Convert to fraction form
    81,859,857,187.40/122,680,027,352.91 = 63,709,561,391.77/x
  3. Step 3: Cross multiply
    81,859,857,187.40x = 122,680,027,352.91 × 63,709,561,391.77
  4. Step 4: Simplify right side
    81,859,857,187.40x = 7,815,890,734,184,242,610,176
  5. Step 5: Solve for x
    x = 7,815,890,734,184,242,610,176/81,859,857,187.40
  6. Step 6: Final answer
    x = 95,478,919,738.30

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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.