Home / 209,416,361.16-313,715,886.86-163,141,556.46

Finding the Fourth Proportional to 209,416,361.16, 313,715,886.86 and 163,141,556.46

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Solution

The fourth proportional to 209,416,361.16, 313,715,886.86 and 163,141,556.46 is: 244,393,980.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,416,361.16 : 313,715,886.86 = 163,141,556.46 : x
  2. Step 2: Convert to fraction form
    209,416,361.16/313,715,886.86 = 163,141,556.46/x
  3. Step 3: Cross multiply
    209,416,361.16x = 313,715,886.86 × 163,141,556.46
  4. Step 4: Simplify right side
    209,416,361.16x = 51,180,098,068,569,664
  5. Step 5: Solve for x
    x = 51,180,098,068,569,664/209,416,361.16
  6. Step 6: Final answer
    x = 244,393,980.42

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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.