Home / 129,325,215.64-194,018,709.38-43,064,369.76

Finding the Fourth Proportional to 129,325,215.64, 194,018,709.38 and 43,064,369.76

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Solution

The fourth proportional to 129,325,215.64, 194,018,709.38 and 43,064,369.76 is: 64,606,839.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325,215.64 : 194,018,709.38 = 43,064,369.76 : x
  2. Step 2: Convert to fraction form
    129,325,215.64/194,018,709.38 = 43,064,369.76/x
  3. Step 3: Cross multiply
    129,325,215.64x = 194,018,709.38 × 43,064,369.76
  4. Step 4: Simplify right side
    129,325,215.64x = 8,355,293,441,098,300
  5. Step 5: Solve for x
    x = 8,355,293,441,098,300/129,325,215.64
  6. Step 6: Final answer
    x = 64,606,839.43

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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.