Home / 314,061,609.02-470,874,258.23-139,089,296.21

Finding the Fourth Proportional to 314,061,609.02, 470,874,258.23 and 139,089,296.21

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Solution

The fourth proportional to 314,061,609.02, 470,874,258.23 and 139,089,296.21 is: 208,537,329.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,061,609.02 : 470,874,258.23 = 139,089,296.21 : x
  2. Step 2: Convert to fraction form
    314,061,609.02/470,874,258.23 = 139,089,296.21/x
  3. Step 3: Cross multiply
    314,061,609.02x = 470,874,258.23 × 139,089,296.21
  4. Step 4: Simplify right side
    314,061,609.02x = 65,493,569,177,566,696
  5. Step 5: Solve for x
    x = 65,493,569,177,566,696/314,061,609.02
  6. Step 6: Final answer
    x = 208,537,329.29

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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.