Home / 160,542,231,261.90-221,552,478,040.77-87,302,745,463.98

Finding the Fourth Proportional to 160,542,231,261.90, 221,552,478,040.77 and 87,302,745,463.98

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Solution

The fourth proportional to 160,542,231,261.90, 221,552,478,040.77 and 87,302,745,463.98 is: 120,480,072,098.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,542,231,261.90 : 221,552,478,040.77 = 87,302,745,463.98 : x
  2. Step 2: Convert to fraction form
    160,542,231,261.90/221,552,478,040.77 = 87,302,745,463.98/x
  3. Step 3: Cross multiply
    160,542,231,261.90x = 221,552,478,040.77 × 87,302,745,463.98
  4. Step 4: Simplify right side
    160,542,231,261.90x = 19,342,139,597,307,359,789,056
  5. Step 5: Solve for x
    x = 19,342,139,597,307,359,789,056/160,542,231,261.90
  6. Step 6: Final answer
    x = 120,480,072,098.62

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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.