Home / 168,486,530.10-252,754,289.55-71,442,050.10

Finding the Fourth Proportional to 168,486,530.10, 252,754,289.55 and 71,442,050.10

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Solution

The fourth proportional to 168,486,530.10, 252,754,289.55 and 71,442,050.10 is: 107,173,461.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,486,530.10 : 252,754,289.55 = 71,442,050.10 : x
  2. Step 2: Convert to fraction form
    168,486,530.10/252,754,289.55 = 71,442,050.10/x
  3. Step 3: Cross multiply
    168,486,530.10x = 252,754,289.55 × 71,442,050.10
  4. Step 4: Simplify right side
    168,486,530.10x = 18,057,284,617,021,004
  5. Step 5: Solve for x
    x = 18,057,284,617,021,004/168,486,530.10
  6. Step 6: Final answer
    x = 107,173,461.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.