Home / 86,620,894,287.20-119,521,028,500.85-49,985,644,579.55

Finding the Fourth Proportional to 86,620,894,287.20, 119,521,028,500.85 and 49,985,644,579.55

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Solution

The fourth proportional to 86,620,894,287.20, 119,521,028,500.85 and 49,985,644,579.55 is: 68,971,068,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,620,894,287.20 : 119,521,028,500.85 = 49,985,644,579.55 : x
  2. Step 2: Convert to fraction form
    86,620,894,287.20/119,521,028,500.85 = 49,985,644,579.55/x
  3. Step 3: Cross multiply
    86,620,894,287.20x = 119,521,028,500.85 × 49,985,644,579.55
  4. Step 4: Simplify right side
    86,620,894,287.20x = 5,974,335,650,426,232,242,176
  5. Step 5: Solve for x
    x = 5,974,335,650,426,232,242,176/86,620,894,287.20
  6. Step 6: Final answer
    x = 68,971,068,696.40

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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.