Home / 330,159,182.22-455,609,823.84-189,025,720.20

Finding the Fourth Proportional to 330,159,182.22, 455,609,823.84 and 189,025,720.20

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Solution

The fourth proportional to 330,159,182.22, 455,609,823.84 and 189,025,720.20 is: 260,849,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,159,182.22 : 455,609,823.84 = 189,025,720.20 : x
  2. Step 2: Convert to fraction form
    330,159,182.22/455,609,823.84 = 189,025,720.20/x
  3. Step 3: Cross multiply
    330,159,182.22x = 455,609,823.84 × 189,025,720.20
  4. Step 4: Simplify right side
    330,159,182.22x = 86,121,975,081,551,120
  5. Step 5: Solve for x
    x = 86,121,975,081,551,120/330,159,182.22
  6. Step 6: Final answer
    x = 260,849,855.83

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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.