Home / 213,865,805.25-320,867,795.61-98,925,745.77

Finding the Fourth Proportional to 213,865,805.25, 320,867,795.61 and 98,925,745.77

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Solution

The fourth proportional to 213,865,805.25, 320,867,795.61 and 98,925,745.77 is: 148,420,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,865,805.25 : 320,867,795.61 = 98,925,745.77 : x
  2. Step 2: Convert to fraction form
    213,865,805.25/320,867,795.61 = 98,925,745.77/x
  3. Step 3: Cross multiply
    213,865,805.25x = 320,867,795.61 × 98,925,745.77
  4. Step 4: Simplify right side
    213,865,805.25x = 31,742,085,974,295,184
  5. Step 5: Solve for x
    x = 31,742,085,974,295,184/213,865,805.25
  6. Step 6: Final answer
    x = 148,420,575.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.