Home / 115,911,999.20-173,867,998.80-30,811,455.20

Finding the Fourth Proportional to 115,911,999.20, 173,867,998.80 and 30,811,455.20

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Solution

The fourth proportional to 115,911,999.20, 173,867,998.80 and 30,811,455.20 is: 46,217,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,911,999.20 : 173,867,998.80 = 30,811,455.20 : x
  2. Step 2: Convert to fraction form
    115,911,999.20/173,867,998.80 = 30,811,455.20/x
  3. Step 3: Cross multiply
    115,911,999.20x = 173,867,998.80 × 30,811,455.20
  4. Step 4: Simplify right side
    115,911,999.20x = 5,357,126,055,739,854
  5. Step 5: Solve for x
    x = 5,357,126,055,739,854/115,911,999.20
  6. Step 6: Final answer
    x = 46,217,182.80

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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.