Home / 104,519,578.72-156,769,237.49-31,736,999.21

Finding the Fourth Proportional to 104,519,578.72, 156,769,237.49 and 31,736,999.21

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Solution

The fourth proportional to 104,519,578.72, 156,769,237.49 and 31,736,999.21 is: 47,602,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,519,578.72 : 156,769,237.49 = 31,736,999.21 : x
  2. Step 2: Convert to fraction form
    104,519,578.72/156,769,237.49 = 31,736,999.21/x
  3. Step 3: Cross multiply
    104,519,578.72x = 156,769,237.49 × 31,736,999.21
  4. Step 4: Simplify right side
    104,519,578.72x = 4,975,385,165,429,901
  5. Step 5: Solve for x
    x = 4,975,385,165,429,901/104,519,578.72
  6. Step 6: Final answer
    x = 47,602,422.69

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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.