Home / 129,373,402.40-194,060,103.60-43,114,623.20

Finding the Fourth Proportional to 129,373,402.40, 194,060,103.60 and 43,114,623.20

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Solution

The fourth proportional to 129,373,402.40, 194,060,103.60 and 43,114,623.20 is: 64,671,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,373,402.40 : 194,060,103.60 = 43,114,623.20 : x
  2. Step 2: Convert to fraction form
    129,373,402.40/194,060,103.60 = 43,114,623.20/x
  3. Step 3: Cross multiply
    129,373,402.40x = 194,060,103.60 × 43,114,623.20
  4. Step 4: Simplify right side
    129,373,402.40x = 8,366,828,244,866,964
  5. Step 5: Solve for x
    x = 8,366,828,244,866,964/129,373,402.40
  6. Step 6: Final answer
    x = 64,671,934.80

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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.