Home / 72,467,221.25-108,710,925.80-23,284,554.64

Finding the Fourth Proportional to 72,467,221.25, 108,710,925.80 and 23,284,554.64

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Solution

The fourth proportional to 72,467,221.25, 108,710,925.80 and 23,284,554.64 is: 34,930,075.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,467,221.25 : 108,710,925.80 = 23,284,554.64 : x
  2. Step 2: Convert to fraction form
    72,467,221.25/108,710,925.80 = 23,284,554.64/x
  3. Step 3: Cross multiply
    72,467,221.25x = 108,710,925.80 × 23,284,554.64
  4. Step 4: Simplify right side
    72,467,221.25x = 2,531,285,491,366,885.50
  5. Step 5: Solve for x
    x = 2,531,285,491,366,885.50/72,467,221.25
  6. Step 6: Final answer
    x = 34,930,075.25

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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.