Home / 289,792,043.20-435,191,949.60-153,743,147.20

Finding the Fourth Proportional to 289,792,043.20, 435,191,949.60 and 153,743,147.20

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Solution

The fourth proportional to 289,792,043.20, 435,191,949.60 and 153,743,147.20 is: 230,882,046.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,792,043.20 : 435,191,949.60 = 153,743,147.20 : x
  2. Step 2: Convert to fraction form
    289,792,043.20/435,191,949.60 = 153,743,147.20/x
  3. Step 3: Cross multiply
    289,792,043.20x = 435,191,949.60 × 153,743,147.20
  4. Step 4: Simplify right side
    289,792,043.20x = 66,907,779,967,607,776
  5. Step 5: Solve for x
    x = 66,907,779,967,607,776/289,792,043.20
  6. Step 6: Final answer
    x = 230,882,046.41

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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.