Home / 86,728,817.53-119,685,940.77-47,570,916.25

Finding the Fourth Proportional to 86,728,817.53, 119,685,940.77 and 47,570,916.25

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Solution

The fourth proportional to 86,728,817.53, 119,685,940.77 and 47,570,916.25 is: 65,647,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,728,817.53 : 119,685,940.77 = 47,570,916.25 : x
  2. Step 2: Convert to fraction form
    86,728,817.53/119,685,940.77 = 47,570,916.25/x
  3. Step 3: Cross multiply
    86,728,817.53x = 119,685,940.77 × 47,570,916.25
  4. Step 4: Simplify right side
    86,728,817.53x = 5,693,569,864,672,130
  5. Step 5: Solve for x
    x = 5,693,569,864,672,130/86,728,817.53
  6. Step 6: Final answer
    x = 65,647,959.08

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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.