Home / 77,481,279.57-106,929,019.44-42,673,962

Finding the Fourth Proportional to 77,481,279.57, 106,929,019.44 and 42,673,962

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Solution

The fourth proportional to 77,481,279.57, 106,929,019.44 and 42,673,962 is: 58,892,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,481,279.57 : 106,929,019.44 = 42,673,962 : x
  2. Step 2: Convert to fraction form
    77,481,279.57/106,929,019.44 = 42,673,962/x
  3. Step 3: Cross multiply
    77,481,279.57x = 106,929,019.44 × 42,673,962
  4. Step 4: Simplify right side
    77,481,279.57x = 4,563,084,912,279,821
  5. Step 5: Solve for x
    x = 4,563,084,912,279,821/77,481,279.57
  6. Step 6: Final answer
    x = 58,892,740.77

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1.5x scale

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.