Home / 290,484,033.39-400,868,115.57-165,036,450.42

Finding the Fourth Proportional to 290,484,033.39, 400,868,115.57 and 165,036,450.42

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Solution

The fourth proportional to 290,484,033.39, 400,868,115.57 and 165,036,450.42 is: 227,750,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,484,033.39 : 400,868,115.57 = 165,036,450.42 : x
  2. Step 2: Convert to fraction form
    290,484,033.39/400,868,115.57 = 165,036,450.42/x
  3. Step 3: Cross multiply
    290,484,033.39x = 400,868,115.57 × 165,036,450.42
  4. Step 4: Simplify right side
    290,484,033.39x = 66,157,850,880,227,128
  5. Step 5: Solve for x
    x = 66,157,850,880,227,128/290,484,033.39
  6. Step 6: Final answer
    x = 227,750,386.51

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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.