Home / 282,177,749.12-423,321,131.88-107,287,184.48

Finding the Fourth Proportional to 282,177,749.12, 423,321,131.88 and 107,287,184.48

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Solution

The fourth proportional to 282,177,749.12, 423,321,131.88 and 107,287,184.48 is: 160,951,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,177,749.12 : 423,321,131.88 = 107,287,184.48 : x
  2. Step 2: Convert to fraction form
    282,177,749.12/423,321,131.88 = 107,287,184.48/x
  3. Step 3: Cross multiply
    282,177,749.12x = 423,321,131.88 × 107,287,184.48
  4. Step 4: Simplify right side
    282,177,749.12x = 45,416,932,370,291,968
  5. Step 5: Solve for x
    x = 45,416,932,370,291,968/282,177,749.12
  6. Step 6: Final answer
    x = 160,951,501.36

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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.