Home / 130,733,999.10-196,100,998.65-79,715,663.10

Finding the Fourth Proportional to 130,733,999.10, 196,100,998.65 and 79,715,663.10

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Solution

The fourth proportional to 130,733,999.10, 196,100,998.65 and 79,715,663.10 is: 119,573,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,733,999.10 : 196,100,998.65 = 79,715,663.10 : x
  2. Step 2: Convert to fraction form
    130,733,999.10/196,100,998.65 = 79,715,663.10/x
  3. Step 3: Cross multiply
    130,733,999.10x = 196,100,998.65 × 79,715,663.10
  4. Step 4: Simplify right side
    130,733,999.10x = 15,632,321,141,956,954
  5. Step 5: Solve for x
    x = 15,632,321,141,956,954/130,733,999.10
  6. Step 6: Final answer
    x = 119,573,494.65

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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.