Home / 129,762,892.60-194,754,563.70-53,140,910.20

Finding the Fourth Proportional to 129,762,892.60, 194,754,563.70 and 53,140,910.20

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Solution

The fourth proportional to 129,762,892.60, 194,754,563.70 and 53,140,910.20 is: 79,756,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,762,892.60 : 194,754,563.70 = 53,140,910.20 : x
  2. Step 2: Convert to fraction form
    129,762,892.60/194,754,563.70 = 53,140,910.20/x
  3. Step 3: Cross multiply
    129,762,892.60x = 194,754,563.70 × 53,140,910.20
  4. Step 4: Simplify right side
    129,762,892.60x = 10,349,434,780,621,880
  5. Step 5: Solve for x
    x = 10,349,434,780,621,880/129,762,892.60
  6. Step 6: Final answer
    x = 79,756,504.91

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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.