Home / 168,316,441.20-252,474,661.80-72,578,329.20

Finding the Fourth Proportional to 168,316,441.20, 252,474,661.80 and 72,578,329.20

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Solution

The fourth proportional to 168,316,441.20, 252,474,661.80 and 72,578,329.20 is: 108,867,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,316,441.20 : 252,474,661.80 = 72,578,329.20 : x
  2. Step 2: Convert to fraction form
    168,316,441.20/252,474,661.80 = 72,578,329.20/x
  3. Step 3: Cross multiply
    168,316,441.20x = 252,474,661.80 × 72,578,329.20
  4. Step 4: Simplify right side
    168,316,441.20x = 18,324,189,118,779,068
  5. Step 5: Solve for x
    x = 18,324,189,118,779,068/168,316,441.20
  6. Step 6: Final answer
    x = 108,867,493.80

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1.5x scale

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.