Home / 114,669,579.80-172,004,369.70-71,671,410.20

Finding the Fourth Proportional to 114,669,579.80, 172,004,369.70 and 71,671,410.20

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Solution

The fourth proportional to 114,669,579.80, 172,004,369.70 and 71,671,410.20 is: 107,507,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,669,579.80 : 172,004,369.70 = 71,671,410.20 : x
  2. Step 2: Convert to fraction form
    114,669,579.80/172,004,369.70 = 71,671,410.20/x
  3. Step 3: Cross multiply
    114,669,579.80x = 172,004,369.70 × 71,671,410.20
  4. Step 4: Simplify right side
    114,669,579.80x = 12,327,795,736,961,150
  5. Step 5: Solve for x
    x = 12,327,795,736,961,150/114,669,579.80
  6. Step 6: Final answer
    x = 107,507,115.30

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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.