Home / 290,596,851.54-401,012,104.14-171,557,788.32

Finding the Fourth Proportional to 290,596,851.54, 401,012,104.14 and 171,557,788.32

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Solution

The fourth proportional to 290,596,851.54, 401,012,104.14 and 171,557,788.32 is: 236,742,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,596,851.54 : 401,012,104.14 = 171,557,788.32 : x
  2. Step 2: Convert to fraction form
    290,596,851.54/401,012,104.14 = 171,557,788.32/x
  3. Step 3: Cross multiply
    290,596,851.54x = 401,012,104.14 × 171,557,788.32
  4. Step 4: Simplify right side
    290,596,851.54x = 68,796,749,675,807,912
  5. Step 5: Solve for x
    x = 68,796,749,675,807,912/290,596,851.54
  6. Step 6: Final answer
    x = 236,742,928.60

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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.