Home / 77,048,983.56-106,324,775.80-42,240,910.28

Finding the Fourth Proportional to 77,048,983.56, 106,324,775.80 and 42,240,910.28

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Solution

The fourth proportional to 77,048,983.56, 106,324,775.80 and 42,240,910.28 is: 58,290,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,048,983.56 : 106,324,775.80 = 42,240,910.28 : x
  2. Step 2: Convert to fraction form
    77,048,983.56/106,324,775.80 = 42,240,910.28/x
  3. Step 3: Cross multiply
    77,048,983.56x = 106,324,775.80 × 42,240,910.28
  4. Step 4: Simplify right side
    77,048,983.56x = 4,491,255,315,108,915
  5. Step 5: Solve for x
    x = 4,491,255,315,108,915/77,048,983.56
  6. Step 6: Final answer
    x = 58,290,909.34

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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.