Home / 74,724,571.65-112,082,871.65-20,136,280.71

Finding the Fourth Proportional to 74,724,571.65, 112,082,871.65 and 20,136,280.71

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Solution

The fourth proportional to 74,724,571.65, 112,082,871.65 and 20,136,280.71 is: 30,203,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,724,571.65 : 112,082,871.65 = 20,136,280.71 : x
  2. Step 2: Convert to fraction form
    74,724,571.65/112,082,871.65 = 20,136,280.71/x
  3. Step 3: Cross multiply
    74,724,571.65x = 112,082,871.65 × 20,136,280.71
  4. Step 4: Simplify right side
    74,724,571.65x = 2,256,932,166,226,619.50
  5. Step 5: Solve for x
    x = 2,256,932,166,226,619.50/74,724,571.65
  6. Step 6: Final answer
    x = 30,203,346.99

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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.