Home / 127,328,864.34-190,993,058.04-39,897,074.54

Finding the Fourth Proportional to 127,328,864.34, 190,993,058.04 and 39,897,074.54

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Solution

The fourth proportional to 127,328,864.34, 190,993,058.04 and 39,897,074.54 is: 59,845,537.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328,864.34 : 190,993,058.04 = 39,897,074.54 : x
  2. Step 2: Convert to fraction form
    127,328,864.34/190,993,058.04 = 39,897,074.54/x
  3. Step 3: Cross multiply
    127,328,864.34x = 190,993,058.04 × 39,897,074.54
  4. Step 4: Simplify right side
    127,328,864.34x = 7,620,064,273,244,426
  5. Step 5: Solve for x
    x = 7,620,064,273,244,426/127,328,864.34
  6. Step 6: Final answer
    x = 59,845,537.09

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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.