Home / 343,887,290.60-515,899,014.06-98,246,016.68

Finding the Fourth Proportional to 343,887,290.60, 515,899,014.06 and 98,246,016.68

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Solution

The fourth proportional to 343,887,290.60, 515,899,014.06 and 98,246,016.68 is: 147,388,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,887,290.60 : 515,899,014.06 = 98,246,016.68 : x
  2. Step 2: Convert to fraction form
    343,887,290.60/515,899,014.06 = 98,246,016.68/x
  3. Step 3: Cross multiply
    343,887,290.60x = 515,899,014.06 × 98,246,016.68
  4. Step 4: Simplify right side
    343,887,290.60x = 50,685,023,140,534,320
  5. Step 5: Solve for x
    x = 50,685,023,140,534,320/343,887,290.60
  6. Step 6: Final answer
    x = 147,388,474.44

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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.