Home / 307,847,457.80-424,824,243.33-166,717,532.96

Finding the Fourth Proportional to 307,847,457.80, 424,824,243.33 and 166,717,532.96

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Solution

The fourth proportional to 307,847,457.80, 424,824,243.33 and 166,717,532.96 is: 230,067,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,847,457.80 : 424,824,243.33 = 166,717,532.96 : x
  2. Step 2: Convert to fraction form
    307,847,457.80/424,824,243.33 = 166,717,532.96/x
  3. Step 3: Cross multiply
    307,847,457.80x = 424,824,243.33 × 166,717,532.96
  4. Step 4: Simplify right side
    307,847,457.80x = 70,825,649,789,576,336
  5. Step 5: Solve for x
    x = 70,825,649,789,576,336/307,847,457.80
  6. Step 6: Final answer
    x = 230,067,353.15

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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.