Home / 78,824,579.76-108,776,892.60-44,017,881.84

Finding the Fourth Proportional to 78,824,579.76, 108,776,892.60 and 44,017,881.84

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Solution

The fourth proportional to 78,824,579.76, 108,776,892.60 and 44,017,881.84 is: 60,744,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,824,579.76 : 108,776,892.60 = 44,017,881.84 : x
  2. Step 2: Convert to fraction form
    78,824,579.76/108,776,892.60 = 44,017,881.84/x
  3. Step 3: Cross multiply
    78,824,579.76x = 108,776,892.60 × 44,017,881.84
  4. Step 4: Simplify right side
    78,824,579.76x = 4,788,128,405,389,171
  5. Step 5: Solve for x
    x = 4,788,128,405,389,171/78,824,579.76
  6. Step 6: Final answer
    x = 60,744,103.17

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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.