Home / 209,952,907.40-314,929,361.10-157,800,830.60

Finding the Fourth Proportional to 209,952,907.40, 314,929,361.10 and 157,800,830.60

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Solution

The fourth proportional to 209,952,907.40, 314,929,361.10 and 157,800,830.60 is: 236,701,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,907.40 : 314,929,361.10 = 157,800,830.60 : x
  2. Step 2: Convert to fraction form
    209,952,907.40/314,929,361.10 = 157,800,830.60/x
  3. Step 3: Cross multiply
    209,952,907.40x = 314,929,361.10 × 157,800,830.60
  4. Step 4: Simplify right side
    209,952,907.40x = 49,696,114,761,907,328
  5. Step 5: Solve for x
    x = 49,696,114,761,907,328/209,952,907.40
  6. Step 6: Final answer
    x = 236,701,245.90

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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.