Home / 76,691,601,065.10-105,825,242,230.08-42,392,674,093.38

Finding the Fourth Proportional to 76,691,601,065.10, 105,825,242,230.08 and 42,392,674,093.38

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Solution

The fourth proportional to 76,691,601,065.10, 105,825,242,230.08 and 42,392,674,093.38 is: 58,496,822,890.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691,601,065.10 : 105,825,242,230.08 = 42,392,674,093.38 : x
  2. Step 2: Convert to fraction form
    76,691,601,065.10/105,825,242,230.08 = 42,392,674,093.38/x
  3. Step 3: Cross multiply
    76,691,601,065.10x = 105,825,242,230.08 × 42,392,674,093.38
  4. Step 4: Simplify right side
    76,691,601,065.10x = 4,486,215,004,712,775,188,480
  5. Step 5: Solve for x
    x = 4,486,215,004,712,775,188,480/76,691,601,065.10
  6. Step 6: Final answer
    x = 58,496,822,890.74

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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.