Home / 107,796,489.20-161,718,353.40-53,235,213.20

Finding the Fourth Proportional to 107,796,489.20, 161,718,353.40 and 53,235,213.20

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Solution

The fourth proportional to 107,796,489.20, 161,718,353.40 and 53,235,213.20 is: 79,864,484.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,796,489.20 : 161,718,353.40 = 53,235,213.20 : x
  2. Step 2: Convert to fraction form
    107,796,489.20/161,718,353.40 = 53,235,213.20/x
  3. Step 3: Cross multiply
    107,796,489.20x = 161,718,353.40 × 53,235,213.20
  4. Step 4: Simplify right side
    107,796,489.20x = 8,609,111,021,601,946
  5. Step 5: Solve for x
    x = 8,609,111,021,601,946/107,796,489.20
  6. Step 6: Final answer
    x = 79,864,484.32

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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.