Home / 288,151,532.41-397,649,247.96-155,992,529.07

Finding the Fourth Proportional to 288,151,532.41, 397,649,247.96 and 155,992,529.07

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Solution

The fourth proportional to 288,151,532.41, 397,649,247.96 and 155,992,529.07 is: 215,269,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,151,532.41 : 397,649,247.96 = 155,992,529.07 : x
  2. Step 2: Convert to fraction form
    288,151,532.41/397,649,247.96 = 155,992,529.07/x
  3. Step 3: Cross multiply
    288,151,532.41x = 397,649,247.96 × 155,992,529.07
  4. Step 4: Simplify right side
    288,151,532.41x = 62,030,311,872,063,936
  5. Step 5: Solve for x
    x = 62,030,311,872,063,936/288,151,532.41
  6. Step 6: Final answer
    x = 215,269,762.24

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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.