Home / 172,308,684-258,465,276.72-57,293,226.48

Finding the Fourth Proportional to 172,308,684, 258,465,276.72 and 57,293,226.48

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Solution

The fourth proportional to 172,308,684, 258,465,276.72 and 57,293,226.48 is: 85,940,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,308,684 : 258,465,276.72 = 57,293,226.48 : x
  2. Step 2: Convert to fraction form
    172,308,684/258,465,276.72 = 57,293,226.48/x
  3. Step 3: Cross multiply
    172,308,684x = 258,465,276.72 × 57,293,226.48
  4. Step 4: Simplify right side
    172,308,684x = 14,808,309,636,334,830
  5. Step 5: Solve for x
    x = 14,808,309,636,334,830/172,308,684
  6. Step 6: Final answer
    x = 85,940,588.09

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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.