Home / 139,968,124.20-209,952,186.30-110,742,805.80

Finding the Fourth Proportional to 139,968,124.20, 209,952,186.30 and 110,742,805.80

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Solution

The fourth proportional to 139,968,124.20, 209,952,186.30 and 110,742,805.80 is: 166,114,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,124.20 : 209,952,186.30 = 110,742,805.80 : x
  2. Step 2: Convert to fraction form
    139,968,124.20/209,952,186.30 = 110,742,805.80/x
  3. Step 3: Cross multiply
    139,968,124.20x = 209,952,186.30 × 110,742,805.80
  4. Step 4: Simplify right side
    139,968,124.20x = 23,250,694,194,706,320
  5. Step 5: Solve for x
    x = 23,250,694,194,706,320/139,968,124.20
  6. Step 6: Final answer
    x = 166,114,208.70

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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.