Home / 109,353,693.60-164,030,540.40-71,058,448.80

Finding the Fourth Proportional to 109,353,693.60, 164,030,540.40 and 71,058,448.80

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Solution

The fourth proportional to 109,353,693.60, 164,030,540.40 and 71,058,448.80 is: 106,587,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,353,693.60 : 164,030,540.40 = 71,058,448.80 : x
  2. Step 2: Convert to fraction form
    109,353,693.60/164,030,540.40 = 71,058,448.80/x
  3. Step 3: Cross multiply
    109,353,693.60x = 164,030,540.40 × 71,058,448.80
  4. Step 4: Simplify right side
    109,353,693.60x = 11,655,755,756,649,732
  5. Step 5: Solve for x
    x = 11,655,755,756,649,732/109,353,693.60
  6. Step 6: Final answer
    x = 106,587,673.20

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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.