Home / 107,841,855.10-161,762,782.65-80,967,999.10

Finding the Fourth Proportional to 107,841,855.10, 161,762,782.65 and 80,967,999.10

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Solution

The fourth proportional to 107,841,855.10, 161,762,782.65 and 80,967,999.10 is: 121,451,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841,855.10 : 161,762,782.65 = 80,967,999.10 : x
  2. Step 2: Convert to fraction form
    107,841,855.10/161,762,782.65 = 80,967,999.10/x
  3. Step 3: Cross multiply
    107,841,855.10x = 161,762,782.65 × 80,967,999.10
  4. Step 4: Simplify right side
    107,841,855.10x = 13,097,608,840,018,696
  5. Step 5: Solve for x
    x = 13,097,608,840,018,696/107,841,855.10
  6. Step 6: Final answer
    x = 121,451,998.65

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1.5x scale

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.