Home / 109,058,680.80-163,506,664.80-65,918,793.60

Finding the Fourth Proportional to 109,058,680.80, 163,506,664.80 and 65,918,793.60

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Solution

The fourth proportional to 109,058,680.80, 163,506,664.80 and 65,918,793.60 is: 98,829,015.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,058,680.80 : 163,506,664.80 = 65,918,793.60 : x
  2. Step 2: Convert to fraction form
    109,058,680.80/163,506,664.80 = 65,918,793.60/x
  3. Step 3: Cross multiply
    109,058,680.80x = 163,506,664.80 × 65,918,793.60
  4. Step 4: Simplify right side
    109,058,680.80x = 10,778,162,089,175,586
  5. Step 5: Solve for x
    x = 10,778,162,089,175,586/109,058,680.80
  6. Step 6: Final answer
    x = 98,829,015.81

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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.