Home / 175,140,010.40-262,859,314.80-78,244,829.60

Finding the Fourth Proportional to 175,140,010.40, 262,859,314.80 and 78,244,829.60

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Solution

The fourth proportional to 175,140,010.40, 262,859,314.80 and 78,244,829.60 is: 117,433,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,140,010.40 : 262,859,314.80 = 78,244,829.60 : x
  2. Step 2: Convert to fraction form
    175,140,010.40/262,859,314.80 = 78,244,829.60/x
  3. Step 3: Cross multiply
    175,140,010.40x = 262,859,314.80 × 78,244,829.60
  4. Step 4: Simplify right side
    175,140,010.40x = 20,567,382,295,298,756
  5. Step 5: Solve for x
    x = 20,567,382,295,298,756/175,140,010.40
  6. Step 6: Final answer
    x = 117,433,944.70

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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.