Home / 315,819,000.80-473,728,501.20-111,279,096.80

Finding the Fourth Proportional to 315,819,000.80, 473,728,501.20 and 111,279,096.80

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Solution

The fourth proportional to 315,819,000.80, 473,728,501.20 and 111,279,096.80 is: 166,918,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,819,000.80 : 473,728,501.20 = 111,279,096.80 : x
  2. Step 2: Convert to fraction form
    315,819,000.80/473,728,501.20 = 111,279,096.80/x
  3. Step 3: Cross multiply
    315,819,000.80x = 473,728,501.20 × 111,279,096.80
  4. Step 4: Simplify right side
    315,819,000.80x = 52,716,079,741,953,712
  5. Step 5: Solve for x
    x = 52,716,079,741,953,712/315,819,000.80
  6. Step 6: Final answer
    x = 166,918,645.20

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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.