Home / 287,718,302.82-397,050,511.09-160,557,647.85

Finding the Fourth Proportional to 287,718,302.82, 397,050,511.09 and 160,557,647.85

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Solution

The fourth proportional to 287,718,302.82, 397,050,511.09 and 160,557,647.85 is: 221,569,137.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,718,302.82 : 397,050,511.09 = 160,557,647.85 : x
  2. Step 2: Convert to fraction form
    287,718,302.82/397,050,511.09 = 160,557,647.85/x
  3. Step 3: Cross multiply
    287,718,302.82x = 397,050,511.09 × 160,557,647.85
  4. Step 4: Simplify right side
    287,718,302.82x = 63,749,496,137,447,944
  5. Step 5: Solve for x
    x = 63,749,496,137,447,944/287,718,302.82
  6. Step 6: Final answer
    x = 221,569,137.29

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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.