Home / 313,671,664.80-470,507,497.20-109,131,760.80

Finding the Fourth Proportional to 313,671,664.80, 470,507,497.20 and 109,131,760.80

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Solution

The fourth proportional to 313,671,664.80, 470,507,497.20 and 109,131,760.80 is: 163,697,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,671,664.80 : 470,507,497.20 = 109,131,760.80 : x
  2. Step 2: Convert to fraction form
    313,671,664.80/470,507,497.20 = 109,131,760.80/x
  3. Step 3: Cross multiply
    313,671,664.80x = 470,507,497.20 × 109,131,760.80
  4. Step 4: Simplify right side
    313,671,664.80x = 51,347,311,639,037,064
  5. Step 5: Solve for x
    x = 51,347,311,639,037,064/313,671,664.80
  6. Step 6: Final answer
    x = 163,697,641.20

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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.