Home / 115,861,199.31-159,888,513.60-63,653,597.28

Finding the Fourth Proportional to 115,861,199.31, 159,888,513.60 and 63,653,597.28

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Solution

The fourth proportional to 115,861,199.31, 159,888,513.60 and 63,653,597.28 is: 87,841,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,861,199.31 : 159,888,513.60 = 63,653,597.28 : x
  2. Step 2: Convert to fraction form
    115,861,199.31/159,888,513.60 = 63,653,597.28/x
  3. Step 3: Cross multiply
    115,861,199.31x = 159,888,513.60 × 63,653,597.28
  4. Step 4: Simplify right side
    115,861,199.31x = 10,177,479,054,392,202
  5. Step 5: Solve for x
    x = 10,177,479,054,392,202/115,861,199.31
  6. Step 6: Final answer
    x = 87,841,996.41

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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.