Home / 172,260,668.16-258,286,926.72-68,645,813.76

Finding the Fourth Proportional to 172,260,668.16, 258,286,926.72 and 68,645,813.76

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Solution

The fourth proportional to 172,260,668.16, 258,286,926.72 and 68,645,813.76 is: 102,927,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,260,668.16 : 258,286,926.72 = 68,645,813.76 : x
  2. Step 2: Convert to fraction form
    172,260,668.16/258,286,926.72 = 68,645,813.76/x
  3. Step 3: Cross multiply
    172,260,668.16x = 258,286,926.72 × 68,645,813.76
  4. Step 4: Simplify right side
    172,260,668.16x = 17,730,316,268,263,888
  5. Step 5: Solve for x
    x = 17,730,316,268,263,888/172,260,668.16
  6. Step 6: Final answer
    x = 102,927,246.58

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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.