Home / 84,827,664.60-127,278,821.70-39,366,058.20

Finding the Fourth Proportional to 84,827,664.60, 127,278,821.70 and 39,366,058.20

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Solution

The fourth proportional to 84,827,664.60, 127,278,821.70 and 39,366,058.20 is: 59,066,408.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827,664.60 : 127,278,821.70 = 39,366,058.20 : x
  2. Step 2: Convert to fraction form
    84,827,664.60/127,278,821.70 = 39,366,058.20/x
  3. Step 3: Cross multiply
    84,827,664.60x = 127,278,821.70 × 39,366,058.20
  4. Step 4: Simplify right side
    84,827,664.60x = 5,010,465,502,669,623
  5. Step 5: Solve for x
    x = 5,010,465,502,669,623/84,827,664.60
  6. Step 6: Final answer
    x = 59,066,408.66

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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.