Home / 259,615,849.96-358,255,679.36-142,118,449.80

Finding the Fourth Proportional to 259,615,849.96, 358,255,679.36 and 142,118,449.80

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Solution

The fourth proportional to 259,615,849.96, 358,255,679.36 and 142,118,449.80 is: 196,115,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,615,849.96 : 358,255,679.36 = 142,118,449.80 : x
  2. Step 2: Convert to fraction form
    259,615,849.96/358,255,679.36 = 142,118,449.80/x
  3. Step 3: Cross multiply
    259,615,849.96x = 358,255,679.36 × 142,118,449.80
  4. Step 4: Simplify right side
    259,615,849.96x = 50,914,741,782,689,064
  5. Step 5: Solve for x
    x = 50,914,741,782,689,064/259,615,849.96
  6. Step 6: Final answer
    x = 196,115,690.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.