Home / 139,968,314.70-209,952,472.05-110,742,996.30

Finding the Fourth Proportional to 139,968,314.70, 209,952,472.05 and 110,742,996.30

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Solution

The fourth proportional to 139,968,314.70, 209,952,472.05 and 110,742,996.30 is: 166,114,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,314.70 : 209,952,472.05 = 110,742,996.30 : x
  2. Step 2: Convert to fraction form
    139,968,314.70/209,952,472.05 = 110,742,996.30/x
  3. Step 3: Cross multiply
    139,968,314.70x = 209,952,472.05 × 110,742,996.30
  4. Step 4: Simplify right side
    139,968,314.70x = 23,250,765,835,409,004
  5. Step 5: Solve for x
    x = 23,250,765,835,409,004/139,968,314.70
  6. Step 6: Final answer
    x = 166,114,494.45

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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.