Home / 102,682,309.75-153,920,705.13-50,904,801.98

Finding the Fourth Proportional to 102,682,309.75, 153,920,705.13 and 50,904,801.98

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Solution

The fourth proportional to 102,682,309.75, 153,920,705.13 and 50,904,801.98 is: 76,306,259.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,682,309.75 : 153,920,705.13 = 50,904,801.98 : x
  2. Step 2: Convert to fraction form
    102,682,309.75/153,920,705.13 = 50,904,801.98/x
  3. Step 3: Cross multiply
    102,682,309.75x = 153,920,705.13 × 50,904,801.98
  4. Step 4: Simplify right side
    102,682,309.75x = 7,835,303,014,496,130
  5. Step 5: Solve for x
    x = 7,835,303,014,496,130/102,682,309.75
  6. Step 6: Final answer
    x = 76,306,259.90

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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.