Home / 290,903,140.97-401,454,813.07-158,752,650.01

Finding the Fourth Proportional to 290,903,140.97, 401,454,813.07 and 158,752,650.01

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Solution

The fourth proportional to 290,903,140.97, 401,454,813.07 and 158,752,650.01 is: 219,083,283.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,903,140.97 : 401,454,813.07 = 158,752,650.01 : x
  2. Step 2: Convert to fraction form
    290,903,140.97/401,454,813.07 = 158,752,650.01/x
  3. Step 3: Cross multiply
    290,903,140.97x = 401,454,813.07 × 158,752,650.01
  4. Step 4: Simplify right side
    290,903,140.97x = 63,732,015,431,330,648
  5. Step 5: Solve for x
    x = 63,732,015,431,330,648/290,903,140.97
  6. Step 6: Final answer
    x = 219,083,283.94

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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.