Home / 166,196,435.07-229,362,955.53-91,855,396.47

Finding the Fourth Proportional to 166,196,435.07, 229,362,955.53 and 91,855,396.47

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Solution

The fourth proportional to 166,196,435.07, 229,362,955.53 and 91,855,396.47 is: 126,767,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,196,435.07 : 229,362,955.53 = 91,855,396.47 : x
  2. Step 2: Convert to fraction form
    166,196,435.07/229,362,955.53 = 91,855,396.47/x
  3. Step 3: Cross multiply
    166,196,435.07x = 229,362,955.53 × 91,855,396.47
  4. Step 4: Simplify right side
    166,196,435.07x = 21,068,225,215,739,128
  5. Step 5: Solve for x
    x = 21,068,225,215,739,128/166,196,435.07
  6. Step 6: Final answer
    x = 126,767,010.42

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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.