Home / 110,679,760.80-166,066,880.40-53,142,415.20

Finding the Fourth Proportional to 110,679,760.80, 166,066,880.40 and 53,142,415.20

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Solution

The fourth proportional to 110,679,760.80, 166,066,880.40 and 53,142,415.20 is: 79,736,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,679,760.80 : 166,066,880.40 = 53,142,415.20 : x
  2. Step 2: Convert to fraction form
    110,679,760.80/166,066,880.40 = 53,142,415.20/x
  3. Step 3: Cross multiply
    110,679,760.80x = 166,066,880.40 × 53,142,415.20
  4. Step 4: Simplify right side
    110,679,760.80x = 8,825,195,109,185,543
  5. Step 5: Solve for x
    x = 8,825,195,109,185,543/110,679,760.80
  6. Step 6: Final answer
    x = 79,736,304.50

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1.5x scale

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.