Home / 282,582,408.71-423,893,791.20-75,319,733.64

Finding the Fourth Proportional to 282,582,408.71, 423,893,791.20 and 75,319,733.64

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Solution

The fourth proportional to 282,582,408.71, 423,893,791.20 and 75,319,733.64 is: 112,984,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582,408.71 : 423,893,791.20 = 75,319,733.64 : x
  2. Step 2: Convert to fraction form
    282,582,408.71/423,893,791.20 = 75,319,733.64/x
  3. Step 3: Cross multiply
    282,582,408.71x = 423,893,791.20 × 75,319,733.64
  4. Step 4: Simplify right side
    282,582,408.71x = 31,927,567,446,705,828
  5. Step 5: Solve for x
    x = 31,927,567,446,705,828/282,582,408.71
  6. Step 6: Final answer
    x = 112,984,978.76

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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.