Home / 113,369,821.20-170,054,731.80-73,025,859.60

Finding the Fourth Proportional to 113,369,821.20, 170,054,731.80 and 73,025,859.60

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Solution

The fourth proportional to 113,369,821.20, 170,054,731.80 and 73,025,859.60 is: 109,538,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,369,821.20 : 170,054,731.80 = 73,025,859.60 : x
  2. Step 2: Convert to fraction form
    113,369,821.20/170,054,731.80 = 73,025,859.60/x
  3. Step 3: Cross multiply
    113,369,821.20x = 170,054,731.80 × 73,025,859.60
  4. Step 4: Simplify right side
    113,369,821.20x = 12,418,392,968,742,456
  5. Step 5: Solve for x
    x = 12,418,392,968,742,456/113,369,821.20
  6. Step 6: Final answer
    x = 109,538,789.40

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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.