Home / 265,295,050.35-398,014,221.29-81,057,502.82

Finding the Fourth Proportional to 265,295,050.35, 398,014,221.29 and 81,057,502.82

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Solution

The fourth proportional to 265,295,050.35, 398,014,221.29 and 81,057,502.82 is: 121,608,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,295,050.35 : 398,014,221.29 = 81,057,502.82 : x
  2. Step 2: Convert to fraction form
    265,295,050.35/398,014,221.29 = 81,057,502.82/x
  3. Step 3: Cross multiply
    265,295,050.35x = 398,014,221.29 × 81,057,502.82
  4. Step 4: Simplify right side
    265,295,050.35x = 32,262,038,865,204,032
  5. Step 5: Solve for x
    x = 32,262,038,865,204,032/265,295,050.35
  6. Step 6: Final answer
    x = 121,608,144.68

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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.