Home / 275,810,482.89-380,621,067.12-152,055,588.69

Finding the Fourth Proportional to 275,810,482.89, 380,621,067.12 and 152,055,588.69

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Solution

The fourth proportional to 275,810,482.89, 380,621,067.12 and 152,055,588.69 is: 209,838,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,810,482.89 : 380,621,067.12 = 152,055,588.69 : x
  2. Step 2: Convert to fraction form
    275,810,482.89/380,621,067.12 = 152,055,588.69/x
  3. Step 3: Cross multiply
    275,810,482.89x = 380,621,067.12 × 152,055,588.69
  4. Step 4: Simplify right side
    275,810,482.89x = 57,875,560,428,747,600
  5. Step 5: Solve for x
    x = 57,875,560,428,747,600/275,810,482.89
  6. Step 6: Final answer
    x = 209,838,146.19

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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.