Home / 110,717,428.40-166,076,142.60-82,019,614.40

Finding the Fourth Proportional to 110,717,428.40, 166,076,142.60 and 82,019,614.40

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Solution

The fourth proportional to 110,717,428.40, 166,076,142.60 and 82,019,614.40 is: 123,029,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717,428.40 : 166,076,142.60 = 82,019,614.40 : x
  2. Step 2: Convert to fraction form
    110,717,428.40/166,076,142.60 = 82,019,614.40/x
  3. Step 3: Cross multiply
    110,717,428.40x = 166,076,142.60 × 82,019,614.40
  4. Step 4: Simplify right side
    110,717,428.40x = 13,621,501,177,091,414
  5. Step 5: Solve for x
    x = 13,621,501,177,091,414/110,717,428.40
  6. Step 6: Final answer
    x = 123,029,421.60

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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.