Home / 65,440,448.46-90,311,859.27-36,071,714.79

Finding the Fourth Proportional to 65,440,448.46, 90,311,859.27 and 36,071,714.79

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Solution

The fourth proportional to 65,440,448.46, 90,311,859.27 and 36,071,714.79 is: 49,781,193.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,440,448.46 : 90,311,859.27 = 36,071,714.79 : x
  2. Step 2: Convert to fraction form
    65,440,448.46/90,311,859.27 = 36,071,714.79/x
  3. Step 3: Cross multiply
    65,440,448.46x = 90,311,859.27 × 36,071,714.79
  4. Step 4: Simplify right side
    65,440,448.46x = 3,257,703,629,742,057.50
  5. Step 5: Solve for x
    x = 3,257,703,629,742,057.50/65,440,448.46
  6. Step 6: Final answer
    x = 49,781,193.53

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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.