Home / 193,380,299.32-289,895,460.88-70,529,814.40

Finding the Fourth Proportional to 193,380,299.32, 289,895,460.88 and 70,529,814.40

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Solution

The fourth proportional to 193,380,299.32, 289,895,460.88 and 70,529,814.40 is: 105,730,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,380,299.32 : 289,895,460.88 = 70,529,814.40 : x
  2. Step 2: Convert to fraction form
    193,380,299.32/289,895,460.88 = 70,529,814.40/x
  3. Step 3: Cross multiply
    193,380,299.32x = 289,895,460.88 × 70,529,814.40
  4. Step 4: Simplify right side
    193,380,299.32x = 20,446,273,051,268,864
  5. Step 5: Solve for x
    x = 20,446,273,051,268,864/193,380,299.32
  6. Step 6: Final answer
    x = 105,730,899.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.