Home / 347,907,920.20-521,859,806.70-89,122,640.20

Finding the Fourth Proportional to 347,907,920.20, 521,859,806.70 and 89,122,640.20

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Solution

The fourth proportional to 347,907,920.20, 521,859,806.70 and 89,122,640.20 is: 133,683,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,907,920.20 : 521,859,806.70 = 89,122,640.20 : x
  2. Step 2: Convert to fraction form
    347,907,920.20/521,859,806.70 = 89,122,640.20/x
  3. Step 3: Cross multiply
    347,907,920.20x = 521,859,806.70 × 89,122,640.20
  4. Step 4: Simplify right side
    347,907,920.20x = 46,509,523,787,365,648
  5. Step 5: Solve for x
    x = 46,509,523,787,365,648/347,907,920.20
  6. Step 6: Final answer
    x = 133,683,429.11

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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.