Home / 437,401,124.70-656,196,165.45-130,724,238.30

Finding the Fourth Proportional to 437,401,124.70, 656,196,165.45 and 130,724,238.30

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Solution

The fourth proportional to 437,401,124.70, 656,196,165.45 and 130,724,238.30 is: 196,114,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,401,124.70 : 656,196,165.45 = 130,724,238.30 : x
  2. Step 2: Convert to fraction form
    437,401,124.70/656,196,165.45 = 130,724,238.30/x
  3. Step 3: Cross multiply
    437,401,124.70x = 656,196,165.45 × 130,724,238.30
  4. Step 4: Simplify right side
    437,401,124.70x = 85,780,743,903,832,032
  5. Step 5: Solve for x
    x = 85,780,743,903,832,032/437,401,124.70
  6. Step 6: Final answer
    x = 196,114,593.81

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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.