Home / 245,050,434-338,159,759.25-133,538,898.12

Finding the Fourth Proportional to 245,050,434, 338,159,759.25 and 133,538,898.12

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Solution

The fourth proportional to 245,050,434, 338,159,759.25 and 133,538,898.12 is: 184,278,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,050,434 : 338,159,759.25 = 133,538,898.12 : x
  2. Step 2: Convert to fraction form
    245,050,434/338,159,759.25 = 133,538,898.12/x
  3. Step 3: Cross multiply
    245,050,434x = 338,159,759.25 × 133,538,898.12
  4. Step 4: Simplify right side
    245,050,434x = 45,157,481,638,769,480
  5. Step 5: Solve for x
    x = 45,157,481,638,769,480/245,050,434
  6. Step 6: Final answer
    x = 184,278,317.33

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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.