Home / 216,551,479.20-324,827,218.80-192,742,922.40

Finding the Fourth Proportional to 216,551,479.20, 324,827,218.80 and 192,742,922.40

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Solution

The fourth proportional to 216,551,479.20, 324,827,218.80 and 192,742,922.40 is: 289,114,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,551,479.20 : 324,827,218.80 = 192,742,922.40 : x
  2. Step 2: Convert to fraction form
    216,551,479.20/324,827,218.80 = 192,742,922.40/x
  3. Step 3: Cross multiply
    216,551,479.20x = 324,827,218.80 × 192,742,922.40
  4. Step 4: Simplify right side
    216,551,479.20x = 62,608,147,426,576,224
  5. Step 5: Solve for x
    x = 62,608,147,426,576,224/216,551,479.20
  6. Step 6: Final answer
    x = 289,114,383.60

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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.