Home / 223,028,208.06-307,760,884.04-128,948,390.87

Finding the Fourth Proportional to 223,028,208.06, 307,760,884.04 and 128,948,390.87

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Solution

The fourth proportional to 223,028,208.06, 307,760,884.04 and 128,948,390.87 is: 177,938,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,028,208.06 : 307,760,884.04 = 128,948,390.87 : x
  2. Step 2: Convert to fraction form
    223,028,208.06/307,760,884.04 = 128,948,390.87/x
  3. Step 3: Cross multiply
    223,028,208.06x = 307,760,884.04 × 128,948,390.87
  4. Step 4: Simplify right side
    223,028,208.06x = 39,685,270,769,041,928
  5. Step 5: Solve for x
    x = 39,685,270,769,041,928/223,028,208.06
  6. Step 6: Final answer
    x = 177,938,347.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.