Home / 131,047,154.84-196,571,011.98-53,269,165.24

Finding the Fourth Proportional to 131,047,154.84, 196,571,011.98 and 53,269,165.24

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Solution

The fourth proportional to 131,047,154.84, 196,571,011.98 and 53,269,165.24 is: 79,903,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,047,154.84 : 196,571,011.98 = 53,269,165.24 : x
  2. Step 2: Convert to fraction form
    131,047,154.84/196,571,011.98 = 53,269,165.24/x
  3. Step 3: Cross multiply
    131,047,154.84x = 196,571,011.98 × 53,269,165.24
  4. Step 4: Simplify right side
    131,047,154.84x = 10,471,173,718,556,640
  5. Step 5: Solve for x
    x = 10,471,173,718,556,640/131,047,154.84
  6. Step 6: Final answer
    x = 79,903,861.56

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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.