Home / 113,546,356.21-156,693,851.31-61,335,383.50

Finding the Fourth Proportional to 113,546,356.21, 156,693,851.31 and 61,335,383.50

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Solution

The fourth proportional to 113,546,356.21, 156,693,851.31 and 61,335,383.50 is: 84,642,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,546,356.21 : 156,693,851.31 = 61,335,383.50 : x
  2. Step 2: Convert to fraction form
    113,546,356.21/156,693,851.31 = 61,335,383.50/x
  3. Step 3: Cross multiply
    113,546,356.21x = 156,693,851.31 × 61,335,383.50
  4. Step 4: Simplify right side
    113,546,356.21x = 9,610,877,462,190,828
  5. Step 5: Solve for x
    x = 9,610,877,462,190,828/113,546,356.21
  6. Step 6: Final answer
    x = 84,642,764.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.