Home / 126,373,669.65-189,560,504.48-112,024,762.65

Finding the Fourth Proportional to 126,373,669.65, 189,560,504.48 and 112,024,762.65

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Solution

The fourth proportional to 126,373,669.65, 189,560,504.48 and 112,024,762.65 is: 168,037,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,373,669.65 : 189,560,504.48 = 112,024,762.65 : x
  2. Step 2: Convert to fraction form
    126,373,669.65/189,560,504.48 = 112,024,762.65/x
  3. Step 3: Cross multiply
    126,373,669.65x = 189,560,504.48 × 112,024,762.65
  4. Step 4: Simplify right side
    126,373,669.65x = 21,235,470,521,626,140
  5. Step 5: Solve for x
    x = 21,235,470,521,626,140/126,373,669.65
  6. Step 6: Final answer
    x = 168,037,143.98

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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.