Home / 84,788,457.89-117,033,445.69-49,515,777.63

Finding the Fourth Proportional to 84,788,457.89, 117,033,445.69 and 49,515,777.63

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Solution

The fourth proportional to 84,788,457.89, 117,033,445.69 and 49,515,777.63 is: 68,346,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,788,457.89 : 117,033,445.69 = 49,515,777.63 : x
  2. Step 2: Convert to fraction form
    84,788,457.89/117,033,445.69 = 49,515,777.63/x
  3. Step 3: Cross multiply
    84,788,457.89x = 117,033,445.69 × 49,515,777.63
  4. Step 4: Simplify right side
    84,788,457.89x = 5,795,002,071,934,933
  5. Step 5: Solve for x
    x = 5,795,002,071,934,933/84,788,457.89
  6. Step 6: Final answer
    x = 68,346,591.23

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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.