Home / 115,911,999.70-173,867,999.55-30,811,455.70

Finding the Fourth Proportional to 115,911,999.70, 173,867,999.55 and 30,811,455.70

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Solution

The fourth proportional to 115,911,999.70, 173,867,999.55 and 30,811,455.70 is: 46,217,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,999.70 : 173,867,999.55 = 30,811,455.70 : x
  2. Step 2: Convert to fraction form
    115,911,999.70/173,867,999.55 = 30,811,455.70/x
  3. Step 3: Cross multiply
    115,911,999.70x = 173,867,999.55 × 30,811,455.70
  4. Step 4: Simplify right side
    115,911,999.70x = 5,357,126,165,782,445
  5. Step 5: Solve for x
    x = 5,357,126,165,782,445/115,911,999.70
  6. Step 6: Final answer
    x = 46,217,183.55

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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.