Home / 139,874,630.40-209,587,996.80-88,665,004.80

Finding the Fourth Proportional to 139,874,630.40, 209,587,996.80 and 88,665,004.80

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Solution

The fourth proportional to 139,874,630.40, 209,587,996.80 and 88,665,004.80 is: 132,855,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,874,630.40 : 209,587,996.80 = 88,665,004.80 : x
  2. Step 2: Convert to fraction form
    139,874,630.40/209,587,996.80 = 88,665,004.80/x
  3. Step 3: Cross multiply
    139,874,630.40x = 209,587,996.80 × 88,665,004.80
  4. Step 4: Simplify right side
    139,874,630.40x = 18,583,120,742,294,384
  5. Step 5: Solve for x
    x = 18,583,120,742,294,384/139,874,630.40
  6. Step 6: Final answer
    x = 132,855,548.49

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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.