Home / 213,865,341.48-320,867,099.42-98,925,282

Finding the Fourth Proportional to 213,865,341.48, 320,867,099.42 and 98,925,282

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Solution

The fourth proportional to 213,865,341.48, 320,867,099.42 and 98,925,282 is: 148,419,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,865,341.48 : 320,867,099.42 = 98,925,282 : x
  2. Step 2: Convert to fraction form
    213,865,341.48/320,867,099.42 = 98,925,282/x
  3. Step 3: Cross multiply
    213,865,341.48x = 320,867,099.42 × 98,925,282
  4. Step 4: Simplify right side
    213,865,341.48x = 31,741,868,294,150,912
  5. Step 5: Solve for x
    x = 31,741,868,294,150,912/213,865,341.48
  6. Step 6: Final answer
    x = 148,419,879.89

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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.