Home / 109,026,913.80-163,540,370.70-66,028,744.20

Finding the Fourth Proportional to 109,026,913.80, 163,540,370.70 and 66,028,744.20

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Solution

The fourth proportional to 109,026,913.80, 163,540,370.70 and 66,028,744.20 is: 99,043,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,026,913.80 : 163,540,370.70 = 66,028,744.20 : x
  2. Step 2: Convert to fraction form
    109,026,913.80/163,540,370.70 = 66,028,744.20/x
  3. Step 3: Cross multiply
    109,026,913.80x = 163,540,370.70 × 66,028,744.20
  4. Step 4: Simplify right side
    109,026,913.80x = 10,798,365,303,323,474
  5. Step 5: Solve for x
    x = 10,798,365,303,323,474/109,026,913.80
  6. Step 6: Final answer
    x = 99,043,116.30

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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.