Home / 315,554,126.06-435,507,953.10-181,589,289.20

Finding the Fourth Proportional to 315,554,126.06, 435,507,953.10 and 181,589,289.20

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Solution

The fourth proportional to 315,554,126.06, 435,507,953.10 and 181,589,289.20 is: 250,618,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,554,126.06 : 435,507,953.10 = 181,589,289.20 : x
  2. Step 2: Convert to fraction form
    315,554,126.06/435,507,953.10 = 181,589,289.20/x
  3. Step 3: Cross multiply
    315,554,126.06x = 435,507,953.10 × 181,589,289.20
  4. Step 4: Simplify right side
    315,554,126.06x = 79,083,579,644,375,936
  5. Step 5: Solve for x
    x = 79,083,579,644,375,936/315,554,126.06
  6. Step 6: Final answer
    x = 250,618,113.07

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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.