Home / 168,025,590.75-252,038,386.13-40,374,774.75

Finding the Fourth Proportional to 168,025,590.75, 252,038,386.13 and 40,374,774.75

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Solution

The fourth proportional to 168,025,590.75, 252,038,386.13 and 40,374,774.75 is: 60,562,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,025,590.75 : 252,038,386.13 = 40,374,774.75 : x
  2. Step 2: Convert to fraction form
    168,025,590.75/252,038,386.13 = 40,374,774.75/x
  3. Step 3: Cross multiply
    168,025,590.75x = 252,038,386.13 × 40,374,774.75
  4. Step 4: Simplify right side
    168,025,590.75x = 10,175,993,068,150,400
  5. Step 5: Solve for x
    x = 10,175,993,068,150,400/168,025,590.75
  6. Step 6: Final answer
    x = 60,562,162.13

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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.