Home / 77,299,362.72-106,673,466.24-42,494,295.60

Finding the Fourth Proportional to 77,299,362.72, 106,673,466.24 and 42,494,295.60

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Solution

The fourth proportional to 77,299,362.72, 106,673,466.24 and 42,494,295.60 is: 58,642,317.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299,362.72 : 106,673,466.24 = 42,494,295.60 : x
  2. Step 2: Convert to fraction form
    77,299,362.72/106,673,466.24 = 42,494,295.60/x
  3. Step 3: Cross multiply
    77,299,362.72x = 106,673,466.24 × 42,494,295.60
  4. Step 4: Simplify right side
    77,299,362.72x = 4,533,013,807,079,180
  5. Step 5: Solve for x
    x = 4,533,013,807,079,180/77,299,362.72
  6. Step 6: Final answer
    x = 58,642,317.96

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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.