Home / 189,508,638.65-261,477,102.24-110,076,502.59

Finding the Fourth Proportional to 189,508,638.65, 261,477,102.24 and 110,076,502.59

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Solution

The fourth proportional to 189,508,638.65, 261,477,102.24 and 110,076,502.59 is: 151,879,540.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,508,638.65 : 261,477,102.24 = 110,076,502.59 : x
  2. Step 2: Convert to fraction form
    189,508,638.65/261,477,102.24 = 110,076,502.59/x
  3. Step 3: Cross multiply
    189,508,638.65x = 261,477,102.24 × 110,076,502.59
  4. Step 4: Simplify right side
    189,508,638.65x = 28,782,484,921,947,056
  5. Step 5: Solve for x
    x = 28,782,484,921,947,056/189,508,638.65
  6. Step 6: Final answer
    x = 151,879,540.31

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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.