Home / 213,865,342.48-320,867,100.92-98,925,283

Finding the Fourth Proportional to 213,865,342.48, 320,867,100.92 and 98,925,283

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Solution

The fourth proportional to 213,865,342.48, 320,867,100.92 and 98,925,283 is: 148,419,881.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,865,342.48 : 320,867,100.92 = 98,925,283 : x
  2. Step 2: Convert to fraction form
    213,865,342.48/320,867,100.92 = 98,925,283/x
  3. Step 3: Cross multiply
    213,865,342.48x = 320,867,100.92 × 98,925,283
  4. Step 4: Simplify right side
    213,865,342.48x = 31,741,868,763,900,564
  5. Step 5: Solve for x
    x = 31,741,868,763,900,564/213,865,342.48
  6. Step 6: Final answer
    x = 148,419,881.39

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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.