Home / 361,992,203.09-542,993,349.78-103,207,423.67

Finding the Fourth Proportional to 361,992,203.09, 542,993,349.78 and 103,207,423.67

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Solution

The fourth proportional to 361,992,203.09, 542,993,349.78 and 103,207,423.67 is: 154,812,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,992,203.09 : 542,993,349.78 = 103,207,423.67 : x
  2. Step 2: Convert to fraction form
    361,992,203.09/542,993,349.78 = 103,207,423.67/x
  3. Step 3: Cross multiply
    361,992,203.09x = 542,993,349.78 × 103,207,423.67
  4. Step 4: Simplify right side
    361,992,203.09x = 56,040,944,702,820,864
  5. Step 5: Solve for x
    x = 56,040,944,702,820,864/361,992,203.09
  6. Step 6: Final answer
    x = 154,812,573.93

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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.