Home / 314,061,620.16-470,874,274.89-139,089,307.35

Finding the Fourth Proportional to 314,061,620.16, 470,874,274.89 and 139,089,307.35

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Solution

The fourth proportional to 314,061,620.16, 470,874,274.89 and 139,089,307.35 is: 208,537,345.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,061,620.16 : 470,874,274.89 = 139,089,307.35 : x
  2. Step 2: Convert to fraction form
    314,061,620.16/470,874,274.89 = 139,089,307.35/x
  3. Step 3: Cross multiply
    314,061,620.16x = 470,874,274.89 × 139,089,307.35
  4. Step 4: Simplify right side
    314,061,620.16x = 65,493,576,743,383,592
  5. Step 5: Solve for x
    x = 65,493,576,743,383,592/314,061,620.16
  6. Step 6: Final answer
    x = 208,537,345.98

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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.