Home / 172,411,580.40-258,617,370.60-165,609,135.60

Finding the Fourth Proportional to 172,411,580.40, 258,617,370.60 and 165,609,135.60

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Solution

The fourth proportional to 172,411,580.40, 258,617,370.60 and 165,609,135.60 is: 248,413,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,411,580.40 : 258,617,370.60 = 165,609,135.60 : x
  2. Step 2: Convert to fraction form
    172,411,580.40/258,617,370.60 = 165,609,135.60/x
  3. Step 3: Cross multiply
    172,411,580.40x = 258,617,370.60 × 165,609,135.60
  4. Step 4: Simplify right side
    172,411,580.40x = 42,829,399,196,210,848
  5. Step 5: Solve for x
    x = 42,829,399,196,210,848/172,411,580.40
  6. Step 6: Final answer
    x = 248,413,703.40

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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.