Home / 69,914,816.40-96,488,192.72-38,558,999.54

Finding the Fourth Proportional to 69,914,816.40, 96,488,192.72 and 38,558,999.54

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Solution

The fourth proportional to 69,914,816.40, 96,488,192.72 and 38,558,999.54 is: 53,214,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914,816.40 : 96,488,192.72 = 38,558,999.54 : x
  2. Step 2: Convert to fraction form
    69,914,816.40/96,488,192.72 = 38,558,999.54/x
  3. Step 3: Cross multiply
    69,914,816.40x = 96,488,192.72 × 38,558,999.54
  4. Step 4: Simplify right side
    69,914,816.40x = 3,720,488,178,705,911
  5. Step 5: Solve for x
    x = 3,720,488,178,705,911/69,914,816.40
  6. Step 6: Final answer
    x = 53,214,588.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.