Home / 71,939,718.14-99,270,812.94-40,576,038.62

Finding the Fourth Proportional to 71,939,718.14, 99,270,812.94 and 40,576,038.62

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Solution

The fourth proportional to 71,939,718.14, 99,270,812.94 and 40,576,038.62 is: 55,991,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,939,718.14 : 99,270,812.94 = 40,576,038.62 : x
  2. Step 2: Convert to fraction form
    71,939,718.14/99,270,812.94 = 40,576,038.62/x
  3. Step 3: Cross multiply
    71,939,718.14x = 99,270,812.94 × 40,576,038.62
  4. Step 4: Simplify right side
    71,939,718.14x = 4,028,016,339,692,235.50
  5. Step 5: Solve for x
    x = 4,028,016,339,692,235.50/71,939,718.14
  6. Step 6: Final answer
    x = 55,991,550.20

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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.