Home / 72,240,272.01-99,691,069.74-39,199,680.87

Finding the Fourth Proportional to 72,240,272.01, 99,691,069.74 and 39,199,680.87

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Solution

The fourth proportional to 72,240,272.01, 99,691,069.74 and 39,199,680.87 is: 54,095,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,240,272.01 : 99,691,069.74 = 39,199,680.87 : x
  2. Step 2: Convert to fraction form
    72,240,272.01/99,691,069.74 = 39,199,680.87/x
  3. Step 3: Cross multiply
    72,240,272.01x = 99,691,069.74 × 39,199,680.87
  4. Step 4: Simplify right side
    72,240,272.01x = 3,907,858,119,396,913.50
  5. Step 5: Solve for x
    x = 3,907,858,119,396,913.50/72,240,272.01
  6. Step 6: Final answer
    x = 54,095,285.23

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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.