Home / 81,057,956.63-121,594,409.44-26,470,828.24

Finding the Fourth Proportional to 81,057,956.63, 121,594,409.44 and 26,470,828.24

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Solution

The fourth proportional to 81,057,956.63, 121,594,409.44 and 26,470,828.24 is: 39,708,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,057,956.63 : 121,594,409.44 = 26,470,828.24 : x
  2. Step 2: Convert to fraction form
    81,057,956.63/121,594,409.44 = 26,470,828.24/x
  3. Step 3: Cross multiply
    81,057,956.63x = 121,594,409.44 × 26,470,828.24
  4. Step 4: Simplify right side
    81,057,956.63x = 3,218,704,727,230,474.50
  5. Step 5: Solve for x
    x = 3,218,704,727,230,474.50/81,057,956.63
  6. Step 6: Final answer
    x = 39,708,683.28

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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.