Home / 129,373,399.90-194,060,099.85-43,114,620.70

Finding the Fourth Proportional to 129,373,399.90, 194,060,099.85 and 43,114,620.70

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Solution

The fourth proportional to 129,373,399.90, 194,060,099.85 and 43,114,620.70 is: 64,671,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,373,399.90 : 194,060,099.85 = 43,114,620.70 : x
  2. Step 2: Convert to fraction form
    129,373,399.90/194,060,099.85 = 43,114,620.70/x
  3. Step 3: Cross multiply
    129,373,399.90x = 194,060,099.85 × 43,114,620.70
  4. Step 4: Simplify right side
    129,373,399.90x = 8,366,827,598,036,877
  5. Step 5: Solve for x
    x = 8,366,827,598,036,877/129,373,399.90
  6. Step 6: Final answer
    x = 64,671,931.05

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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.