Home / 210,307,561.06-315,179,359.78-163,677,352.56

Finding the Fourth Proportional to 210,307,561.06, 315,179,359.78 and 163,677,352.56

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Solution

The fourth proportional to 210,307,561.06, 315,179,359.78 and 163,677,352.56 is: 245,296,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,307,561.06 : 315,179,359.78 = 163,677,352.56 : x
  2. Step 2: Convert to fraction form
    210,307,561.06/315,179,359.78 = 163,677,352.56/x
  3. Step 3: Cross multiply
    210,307,561.06x = 315,179,359.78 × 163,677,352.56
  4. Step 4: Simplify right side
    210,307,561.06x = 51,587,723,189,521,040
  5. Step 5: Solve for x
    x = 51,587,723,189,521,040/210,307,561.06
  6. Step 6: Final answer
    x = 245,296,569.13

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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.