Home / 110,717,821.40-166,076,732.10-82,020,007.40

Finding the Fourth Proportional to 110,717,821.40, 166,076,732.10 and 82,020,007.40

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Solution

The fourth proportional to 110,717,821.40, 166,076,732.10 and 82,020,007.40 is: 123,030,011.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,821.40 : 166,076,732.10 = 82,020,007.40 : x
  2. Step 2: Convert to fraction form
    110,717,821.40/166,076,732.10 = 82,020,007.40/x
  3. Step 3: Cross multiply
    110,717,821.40x = 166,076,732.10 × 82,020,007.40
  4. Step 4: Simplify right side
    110,717,821.40x = 13,621,614,795,809,818
  5. Step 5: Solve for x
    x = 13,621,614,795,809,818/110,717,821.40
  6. Step 6: Final answer
    x = 123,030,011.10

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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.