Home / 94,782,665.40-142,173,998.10-84,201,084.60

Finding the Fourth Proportional to 94,782,665.40, 142,173,998.10 and 84,201,084.60

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Solution

The fourth proportional to 94,782,665.40, 142,173,998.10 and 84,201,084.60 is: 126,301,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782,665.40 : 142,173,998.10 = 84,201,084.60 : x
  2. Step 2: Convert to fraction form
    94,782,665.40/142,173,998.10 = 84,201,084.60/x
  3. Step 3: Cross multiply
    94,782,665.40x = 142,173,998.10 × 84,201,084.60
  4. Step 4: Simplify right side
    94,782,665.40x = 11,971,204,841,938,338
  5. Step 5: Solve for x
    x = 11,971,204,841,938,338/94,782,665.40
  6. Step 6: Final answer
    x = 126,301,626.90

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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.