Home / 115,685,087.98-159,648,359.12-63,474,109.80

Finding the Fourth Proportional to 115,685,087.98, 159,648,359.12 and 63,474,109.80

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Solution

The fourth proportional to 115,685,087.98, 159,648,359.12 and 63,474,109.80 is: 87,595,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685,087.98 : 159,648,359.12 = 63,474,109.80 : x
  2. Step 2: Convert to fraction form
    115,685,087.98/159,648,359.12 = 63,474,109.80/x
  3. Step 3: Cross multiply
    115,685,087.98x = 159,648,359.12 × 63,474,109.80
  4. Step 4: Simplify right side
    115,685,087.98x = 10,133,537,476,032,056
  5. Step 5: Solve for x
    x = 10,133,537,476,032,056/115,685,087.98
  6. Step 6: Final answer
    x = 87,595,883.39

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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.