Home / 110,721,830.10-166,082,745.15-102,659,673.30

Finding the Fourth Proportional to 110,721,830.10, 166,082,745.15 and 102,659,673.30

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Solution

The fourth proportional to 110,721,830.10, 166,082,745.15 and 102,659,673.30 is: 153,989,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,721,830.10 : 166,082,745.15 = 102,659,673.30 : x
  2. Step 2: Convert to fraction form
    110,721,830.10/166,082,745.15 = 102,659,673.30/x
  3. Step 3: Cross multiply
    110,721,830.10x = 166,082,745.15 × 102,659,673.30
  4. Step 4: Simplify right side
    110,721,830.10x = 17,050,000,357,866,160
  5. Step 5: Solve for x
    x = 17,050,000,357,866,160/110,721,830.10
  6. Step 6: Final answer
    x = 153,989,509.95

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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.