Home / 72,171,036.15-108,256,554.23-64,864,706.55

Finding the Fourth Proportional to 72,171,036.15, 108,256,554.23 and 64,864,706.55

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Solution

The fourth proportional to 72,171,036.15, 108,256,554.23 and 64,864,706.55 is: 97,297,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,171,036.15 : 108,256,554.23 = 64,864,706.55 : x
  2. Step 2: Convert to fraction form
    72,171,036.15/108,256,554.23 = 64,864,706.55/x
  3. Step 3: Cross multiply
    72,171,036.15x = 108,256,554.23 × 64,864,706.55
  4. Step 4: Simplify right side
    72,171,036.15x = 7,022,029,621,918,787
  5. Step 5: Solve for x
    x = 7,022,029,621,918,787/72,171,036.15
  6. Step 6: Final answer
    x = 97,297,059.83

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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.