Home / 228,329,403.37-315,094,782.67-123,907,475.72

Finding the Fourth Proportional to 228,329,403.37, 315,094,782.67 and 123,907,475.72

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Solution

The fourth proportional to 228,329,403.37, 315,094,782.67 and 123,907,475.72 is: 170,992,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,329,403.37 : 315,094,782.67 = 123,907,475.72 : x
  2. Step 2: Convert to fraction form
    228,329,403.37/315,094,782.67 = 123,907,475.72/x
  3. Step 3: Cross multiply
    228,329,403.37x = 315,094,782.67 × 123,907,475.72
  4. Step 4: Simplify right side
    228,329,403.37x = 39,042,599,134,009,088
  5. Step 5: Solve for x
    x = 39,042,599,134,009,088/228,329,403.37
  6. Step 6: Final answer
    x = 170,992,428.30

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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.