Home / 108,165,618.77-149,275,877.46-61,106,370.60

Finding the Fourth Proportional to 108,165,618.77, 149,275,877.46 and 61,106,370.60

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Solution

The fourth proportional to 108,165,618.77, 149,275,877.46 and 61,106,370.60 is: 84,330,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,165,618.77 : 149,275,877.46 = 61,106,370.60 : x
  2. Step 2: Convert to fraction form
    108,165,618.77/149,275,877.46 = 61,106,370.60/x
  3. Step 3: Cross multiply
    108,165,618.77x = 149,275,877.46 × 61,106,370.60
  4. Step 4: Simplify right side
    108,165,618.77x = 9,121,707,089,710,948
  5. Step 5: Solve for x
    x = 9,121,707,089,710,948/108,165,618.77
  6. Step 6: Final answer
    x = 84,330,928.75

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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.