Home / 314,061,613.90-470,874,265.52-139,089,301.08

Finding the Fourth Proportional to 314,061,613.90, 470,874,265.52 and 139,089,301.08

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Solution

The fourth proportional to 314,061,613.90, 470,874,265.52 and 139,089,301.08 is: 208,537,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,061,613.90 : 470,874,265.52 = 139,089,301.08 : x
  2. Step 2: Convert to fraction form
    314,061,613.90/470,874,265.52 = 139,089,301.08/x
  3. Step 3: Cross multiply
    314,061,613.90x = 470,874,265.52 × 139,089,301.08
  4. Step 4: Simplify right side
    314,061,613.90x = 65,493,572,487,735,144
  5. Step 5: Solve for x
    x = 65,493,572,487,735,144/314,061,613.90
  6. Step 6: Final answer
    x = 208,537,336.59

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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.