Home / 216,551,477.70-324,827,216.55-192,742,920.90

Finding the Fourth Proportional to 216,551,477.70, 324,827,216.55 and 192,742,920.90

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Solution

The fourth proportional to 216,551,477.70, 324,827,216.55 and 192,742,920.90 is: 289,114,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,477.70 : 324,827,216.55 = 192,742,920.90 : x
  2. Step 2: Convert to fraction form
    216,551,477.70/324,827,216.55 = 192,742,920.90/x
  3. Step 3: Cross multiply
    216,551,477.70x = 324,827,216.55 × 192,742,920.90
  4. Step 4: Simplify right side
    216,551,477.70x = 62,608,146,505,663,824
  5. Step 5: Solve for x
    x = 62,608,146,505,663,824/216,551,477.70
  6. Step 6: Final answer
    x = 289,114,381.35

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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.