Home / 129,373,407.40-194,060,111.10-43,114,628.20

Finding the Fourth Proportional to 129,373,407.40, 194,060,111.10 and 43,114,628.20

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Solution

The fourth proportional to 129,373,407.40, 194,060,111.10 and 43,114,628.20 is: 64,671,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,373,407.40 : 194,060,111.10 = 43,114,628.20 : x
  2. Step 2: Convert to fraction form
    129,373,407.40/194,060,111.10 = 43,114,628.20/x
  3. Step 3: Cross multiply
    129,373,407.40x = 194,060,111.10 × 43,114,628.20
  4. Step 4: Simplify right side
    129,373,407.40x = 8,366,829,538,527,193
  5. Step 5: Solve for x
    x = 8,366,829,538,527,193/129,373,407.40
  6. Step 6: Final answer
    x = 64,671,942.30

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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.