Home / 113,670,505.30-170,505,757.95-102,191,379.70

Finding the Fourth Proportional to 113,670,505.30, 170,505,757.95 and 102,191,379.70

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Solution

The fourth proportional to 113,670,505.30, 170,505,757.95 and 102,191,379.70 is: 153,287,069.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,670,505.30 : 170,505,757.95 = 102,191,379.70 : x
  2. Step 2: Convert to fraction form
    113,670,505.30/170,505,757.95 = 102,191,379.70/x
  3. Step 3: Cross multiply
    113,670,505.30x = 170,505,757.95 × 102,191,379.70
  4. Step 4: Simplify right side
    113,670,505.30x = 17,424,218,651,704,742
  5. Step 5: Solve for x
    x = 17,424,218,651,704,742/113,670,505.30
  6. Step 6: Final answer
    x = 153,287,069.55

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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.