Home / 77,530,242.30-106,992,452.07-42,724,178.34

Finding the Fourth Proportional to 77,530,242.30, 106,992,452.07 and 42,724,178.34

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Solution

The fourth proportional to 77,530,242.30, 106,992,452.07 and 42,724,178.34 is: 58,959,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,530,242.30 : 106,992,452.07 = 42,724,178.34 : x
  2. Step 2: Convert to fraction form
    77,530,242.30/106,992,452.07 = 42,724,178.34/x
  3. Step 3: Cross multiply
    77,530,242.30x = 106,992,452.07 × 42,724,178.34
  4. Step 4: Simplify right side
    77,530,242.30x = 4,571,164,603,272,582
  5. Step 5: Solve for x
    x = 4,571,164,603,272,582/77,530,242.30
  6. Step 6: Final answer
    x = 58,959,761.61

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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.