Home / 93,485,554.87-129,016,741.60-51,668,721.54

Finding the Fourth Proportional to 93,485,554.87, 129,016,741.60 and 51,668,721.54

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Solution

The fourth proportional to 93,485,554.87, 129,016,741.60 and 51,668,721.54 is: 71,306,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,485,554.87 : 129,016,741.60 = 51,668,721.54 : x
  2. Step 2: Convert to fraction form
    93,485,554.87/129,016,741.60 = 51,668,721.54/x
  3. Step 3: Cross multiply
    93,485,554.87x = 129,016,741.60 × 51,668,721.54
  4. Step 4: Simplify right side
    93,485,554.87x = 6,666,130,095,728,534
  5. Step 5: Solve for x
    x = 6,666,130,095,728,534/93,485,554.87
  6. Step 6: Final answer
    x = 71,306,525.43

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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.