Home / 245,471,194.86-338,757,430.68-133,969,187.31

Finding the Fourth Proportional to 245,471,194.86, 338,757,430.68 and 133,969,187.31

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Solution

The fourth proportional to 245,471,194.86, 338,757,430.68 and 133,969,187.31 is: 184,881,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,471,194.86 : 338,757,430.68 = 133,969,187.31 : x
  2. Step 2: Convert to fraction form
    245,471,194.86/338,757,430.68 = 133,969,187.31/x
  3. Step 3: Cross multiply
    245,471,194.86x = 338,757,430.68 × 133,969,187.31
  4. Step 4: Simplify right side
    245,471,194.86x = 45,383,057,683,423,264
  5. Step 5: Solve for x
    x = 45,383,057,683,423,264/245,471,194.86
  6. Step 6: Final answer
    x = 184,881,398.04

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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.