Home / 245,476,980,291.27-338,709,101,828.68-137,073,398,074.26

Finding the Fourth Proportional to 245,476,980,291.27, 338,709,101,828.68 and 137,073,398,074.26

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Solution

The fourth proportional to 245,476,980,291.27, 338,709,101,828.68 and 137,073,398,074.26 is: 189,133,854,796.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,476,980,291.27 : 338,709,101,828.68 = 137,073,398,074.26 : x
  2. Step 2: Convert to fraction form
    245,476,980,291.27/338,709,101,828.68 = 137,073,398,074.26/x
  3. Step 3: Cross multiply
    245,476,980,291.27x = 338,709,101,828.68 × 137,073,398,074.26
  4. Step 4: Simplify right side
    245,476,980,291.27x = 46,428,007,546,337,718,435,840
  5. Step 5: Solve for x
    x = 46,428,007,546,337,718,435,840/245,476,980,291.27
  6. Step 6: Final answer
    x = 189,133,854,796.69

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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.