Home / 213,697,849.44-320,602,039.76-125,141,208.36

Finding the Fourth Proportional to 213,697,849.44, 320,602,039.76 and 125,141,208.36

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Solution

The fourth proportional to 213,697,849.44, 320,602,039.76 and 125,141,208.36 is: 187,744,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,697,849.44 : 320,602,039.76 = 125,141,208.36 : x
  2. Step 2: Convert to fraction form
    213,697,849.44/320,602,039.76 = 125,141,208.36/x
  3. Step 3: Cross multiply
    213,697,849.44x = 320,602,039.76 × 125,141,208.36
  4. Step 4: Simplify right side
    213,697,849.44x = 40,120,526,658,247,160
  5. Step 5: Solve for x
    x = 40,120,526,658,247,160/213,697,849.44
  6. Step 6: Final answer
    x = 187,744,176.01

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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.