Home / 81,842,615.29-112,925,949.09-47,028,579.67

Finding the Fourth Proportional to 81,842,615.29, 112,925,949.09 and 47,028,579.67

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Solution

The fourth proportional to 81,842,615.29, 112,925,949.09 and 47,028,579.67 is: 64,889,751.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,842,615.29 : 112,925,949.09 = 47,028,579.67 : x
  2. Step 2: Convert to fraction form
    81,842,615.29/112,925,949.09 = 47,028,579.67/x
  3. Step 3: Cross multiply
    81,842,615.29x = 112,925,949.09 × 47,028,579.67
  4. Step 4: Simplify right side
    81,842,615.29x = 5,310,746,993,589,429
  5. Step 5: Solve for x
    x = 5,310,746,993,589,429/81,842,615.29
  6. Step 6: Final answer
    x = 64,889,751.81

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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.