Home / 129,325,212.64-194,018,704.88-43,064,366.76

Finding the Fourth Proportional to 129,325,212.64, 194,018,704.88 and 43,064,366.76

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Solution

The fourth proportional to 129,325,212.64, 194,018,704.88 and 43,064,366.76 is: 64,606,834.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,325,212.64 : 194,018,704.88 = 43,064,366.76 : x
  2. Step 2: Convert to fraction form
    129,325,212.64/194,018,704.88 = 43,064,366.76/x
  3. Step 3: Cross multiply
    129,325,212.64x = 194,018,704.88 × 43,064,366.76
  4. Step 4: Simplify right side
    129,325,212.64x = 8,355,292,665,252,521
  5. Step 5: Solve for x
    x = 8,355,292,665,252,521/129,325,212.64
  6. Step 6: Final answer
    x = 64,606,834.93

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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.