Home / 275,810,412.06-380,621,301.75-152,055,517.86

Finding the Fourth Proportional to 275,810,412.06, 380,621,301.75 and 152,055,517.86

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Solution

The fourth proportional to 275,810,412.06, 380,621,301.75 and 152,055,517.86 is: 209,838,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,810,412.06 : 380,621,301.75 = 152,055,517.86 : x
  2. Step 2: Convert to fraction form
    275,810,412.06/380,621,301.75 = 152,055,517.86/x
  3. Step 3: Cross multiply
    275,810,412.06x = 380,621,301.75 × 152,055,517.86
  4. Step 4: Simplify right side
    275,810,412.06x = 57,875,569,146,143,576
  5. Step 5: Solve for x
    x = 57,875,569,146,143,576/275,810,412.06
  6. Step 6: Final answer
    x = 209,838,231.68

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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.