Home / 145,699,108.36-201,076,231.17-82,977,858.34

Finding the Fourth Proportional to 145,699,108.36, 201,076,231.17 and 82,977,858.34

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Solution

The fourth proportional to 145,699,108.36, 201,076,231.17 and 82,977,858.34 is: 114,515,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,699,108.36 : 201,076,231.17 = 82,977,858.34 : x
  2. Step 2: Convert to fraction form
    145,699,108.36/201,076,231.17 = 82,977,858.34/x
  3. Step 3: Cross multiply
    145,699,108.36x = 201,076,231.17 × 82,977,858.34
  4. Step 4: Simplify right side
    145,699,108.36x = 16,684,875,025,661,530
  5. Step 5: Solve for x
    x = 16,684,875,025,661,530/145,699,108.36
  6. Step 6: Final answer
    x = 114,515,972.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.