Home / 108,483,210.78-162,780,453.45-53,149,991.82

Finding the Fourth Proportional to 108,483,210.78, 162,780,453.45 and 53,149,991.82

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Solution

The fourth proportional to 108,483,210.78, 162,780,453.45 and 53,149,991.82 is: 79,752,246.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,483,210.78 : 162,780,453.45 = 53,149,991.82 : x
  2. Step 2: Convert to fraction form
    108,483,210.78/162,780,453.45 = 53,149,991.82/x
  3. Step 3: Cross multiply
    108,483,210.78x = 162,780,453.45 × 53,149,991.82
  4. Step 4: Simplify right side
    108,483,210.78x = 8,651,779,769,323,390
  5. Step 5: Solve for x
    x = 8,651,779,769,323,390/108,483,210.78
  6. Step 6: Final answer
    x = 79,752,246.52

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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.