Home / 363,960,007.20-545,940,010.80-105,183,669.60

Finding the Fourth Proportional to 363,960,007.20, 545,940,010.80 and 105,183,669.60

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Solution

The fourth proportional to 363,960,007.20, 545,940,010.80 and 105,183,669.60 is: 157,775,504.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,960,007.20 : 545,940,010.80 = 105,183,669.60 : x
  2. Step 2: Convert to fraction form
    363,960,007.20/545,940,010.80 = 105,183,669.60/x
  3. Step 3: Cross multiply
    363,960,007.20x = 545,940,010.80 × 105,183,669.60
  4. Step 4: Simplify right side
    363,960,007.20x = 57,423,973,717,407,624
  5. Step 5: Solve for x
    x = 57,423,973,717,407,624/363,960,007.20
  6. Step 6: Final answer
    x = 157,775,504.40

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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.