Home / 138,785,833.56-208,189,073.16-41,733,771.96

Finding the Fourth Proportional to 138,785,833.56, 208,189,073.16 and 41,733,771.96

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Solution

The fourth proportional to 138,785,833.56, 208,189,073.16 and 41,733,771.96 is: 62,603,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,785,833.56 : 208,189,073.16 = 41,733,771.96 : x
  2. Step 2: Convert to fraction form
    138,785,833.56/208,189,073.16 = 41,733,771.96/x
  3. Step 3: Cross multiply
    138,785,833.56x = 208,189,073.16 × 41,733,771.96
  4. Step 4: Simplify right side
    138,785,833.56x = 8,688,515,303,823,197
  5. Step 5: Solve for x
    x = 8,688,515,303,823,197/138,785,833.56
  6. Step 6: Final answer
    x = 62,603,762.08

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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.