Home / 110,721,929.10-166,082,893.65-102,659,772.30

Finding the Fourth Proportional to 110,721,929.10, 166,082,893.65 and 102,659,772.30

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Solution

The fourth proportional to 110,721,929.10, 166,082,893.65 and 102,659,772.30 is: 153,989,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721,929.10 : 166,082,893.65 = 102,659,772.30 : x
  2. Step 2: Convert to fraction form
    110,721,929.10/166,082,893.65 = 102,659,772.30/x
  3. Step 3: Cross multiply
    110,721,929.10x = 166,082,893.65 × 102,659,772.30
  4. Step 4: Simplify right side
    110,721,929.10x = 17,050,032,045,034,116
  5. Step 5: Solve for x
    x = 17,050,032,045,034,116/110,721,929.10
  6. Step 6: Final answer
    x = 153,989,658.45

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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.