Home / 245,138,252,853.30-338,289,849,642.18-136,751,263,802.03

Finding the Fourth Proportional to 245,138,252,853.30, 338,289,849,642.18 and 136,751,263,802.03

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Solution

The fourth proportional to 245,138,252,853.30, 338,289,849,642.18 and 136,751,263,802.03 is: 188,716,220,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,138,252,853.30 : 338,289,849,642.18 = 136,751,263,802.03 : x
  2. Step 2: Convert to fraction form
    245,138,252,853.30/338,289,849,642.18 = 136,751,263,802.03/x
  3. Step 3: Cross multiply
    245,138,252,853.30x = 338,289,849,642.18 × 136,751,263,802.03
  4. Step 4: Simplify right side
    245,138,252,853.30x = 46,261,564,469,966,821,916,672
  5. Step 5: Solve for x
    x = 46,261,564,469,966,821,916,672/245,138,252,853.30
  6. Step 6: Final answer
    x = 188,716,220,057.47

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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.