Home / 76,691,601,109.10-105,825,242,290.80-42,392,674,137.44

Finding the Fourth Proportional to 76,691,601,109.10, 105,825,242,290.80 and 42,392,674,137.44

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Solution

The fourth proportional to 76,691,601,109.10, 105,825,242,290.80 and 42,392,674,137.44 is: 58,496,822,951.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,601,109.10 : 105,825,242,290.80 = 42,392,674,137.44 : x
  2. Step 2: Convert to fraction form
    76,691,601,109.10/105,825,242,290.80 = 42,392,674,137.44/x
  3. Step 3: Cross multiply
    76,691,601,109.10x = 105,825,242,290.80 × 42,392,674,137.44
  4. Step 4: Simplify right side
    76,691,601,109.10x = 4,486,215,011,949,519,306,752
  5. Step 5: Solve for x
    x = 4,486,215,011,949,519,306,752/76,691,601,109.10
  6. Step 6: Final answer
    x = 58,496,822,951.54

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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.