Home / 315,297,324.23-435,101,877.45-174,165,507.18

Finding the Fourth Proportional to 315,297,324.23, 435,101,877.45 and 174,165,507.18

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Solution

The fourth proportional to 315,297,324.23, 435,101,877.45 and 174,165,507.18 is: 240,343,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,297,324.23 : 435,101,877.45 = 174,165,507.18 : x
  2. Step 2: Convert to fraction form
    315,297,324.23/435,101,877.45 = 174,165,507.18/x
  3. Step 3: Cross multiply
    315,297,324.23x = 435,101,877.45 × 174,165,507.18
  4. Step 4: Simplify right side
    315,297,324.23x = 75,779,739,161,049,456
  5. Step 5: Solve for x
    x = 75,779,739,161,049,456/315,297,324.23
  6. Step 6: Final answer
    x = 240,343,743.31

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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.