Home / 245,366,945.35-338,600,935.16-135,358,629.19

Finding the Fourth Proportional to 245,366,945.35, 338,600,935.16 and 135,358,629.19

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Solution

The fourth proportional to 245,366,945.35, 338,600,935.16 and 135,358,629.19 is: 186,791,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,366,945.35 : 338,600,935.16 = 135,358,629.19 : x
  2. Step 2: Convert to fraction form
    245,366,945.35/338,600,935.16 = 135,358,629.19/x
  3. Step 3: Cross multiply
    245,366,945.35x = 338,600,935.16 × 135,358,629.19
  4. Step 4: Simplify right side
    245,366,945.35x = 45,832,558,424,693,976
  5. Step 5: Solve for x
    x = 45,832,558,424,693,976/245,366,945.35
  6. Step 6: Final answer
    x = 186,791,902.06

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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.