Home / 170,441,154-255,699,620.28-79,515,141.84

Finding the Fourth Proportional to 170,441,154, 255,699,620.28 and 79,515,141.84

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Solution

The fourth proportional to 170,441,154, 255,699,620.28 and 79,515,141.84 is: 119,290,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,441,154 : 255,699,620.28 = 79,515,141.84 : x
  2. Step 2: Convert to fraction form
    170,441,154/255,699,620.28 = 79,515,141.84/x
  3. Step 3: Cross multiply
    170,441,154x = 255,699,620.28 × 79,515,141.84
  4. Step 4: Simplify right side
    170,441,154x = 20,331,991,574,998,340
  5. Step 5: Solve for x
    x = 20,331,991,574,998,340/170,441,154
  6. Step 6: Final answer
    x = 119,290,389.07

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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.