Home / 139,968,609.60-209,952,914.40-111,058,219.20

Finding the Fourth Proportional to 139,968,609.60, 209,952,914.40 and 111,058,219.20

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Solution

The fourth proportional to 139,968,609.60, 209,952,914.40 and 111,058,219.20 is: 166,587,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,609.60 : 209,952,914.40 = 111,058,219.20 : x
  2. Step 2: Convert to fraction form
    139,968,609.60/209,952,914.40 = 111,058,219.20/x
  3. Step 3: Cross multiply
    139,968,609.60x = 209,952,914.40 × 111,058,219.20
  4. Step 4: Simplify right side
    139,968,609.60x = 23,316,996,789,114,036
  5. Step 5: Solve for x
    x = 23,316,996,789,114,036/139,968,609.60
  6. Step 6: Final answer
    x = 166,587,328.80

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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.