Home / 86,620,894,289.20-119,521,028,503.60-49,985,644,581.56

Finding the Fourth Proportional to 86,620,894,289.20, 119,521,028,503.60 and 49,985,644,581.56

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Solution

The fourth proportional to 86,620,894,289.20, 119,521,028,503.60 and 49,985,644,581.56 is: 68,971,068,699.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,620,894,289.20 : 119,521,028,503.60 = 49,985,644,581.56 : x
  2. Step 2: Convert to fraction form
    86,620,894,289.20/119,521,028,503.60 = 49,985,644,581.56/x
  3. Step 3: Cross multiply
    86,620,894,289.20x = 119,521,028,503.60 × 49,985,644,581.56
  4. Step 4: Simplify right side
    86,620,894,289.20x = 5,974,335,650,803,451,166,720
  5. Step 5: Solve for x
    x = 5,974,335,650,803,451,166,720/86,620,894,289.20
  6. Step 6: Final answer
    x = 68,971,068,699.16

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Double scale
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1.5x scale

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.