Home / 314,061,612.02-470,874,262.72-139,089,299.21

Finding the Fourth Proportional to 314,061,612.02, 470,874,262.72 and 139,089,299.21

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Solution

The fourth proportional to 314,061,612.02, 470,874,262.72 and 139,089,299.21 is: 208,537,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,061,612.02 : 470,874,262.72 = 139,089,299.21 : x
  2. Step 2: Convert to fraction form
    314,061,612.02/470,874,262.72 = 139,089,299.21/x
  3. Step 3: Cross multiply
    314,061,612.02x = 470,874,262.72 × 139,089,299.21
  4. Step 4: Simplify right side
    314,061,612.02x = 65,493,571,217,750,240
  5. Step 5: Solve for x
    x = 65,493,571,217,750,240/314,061,612.02
  6. Step 6: Final answer
    x = 208,537,333.79

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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.