Home / 131,047,149.32-196,571,003.73-53,269,159.74

Finding the Fourth Proportional to 131,047,149.32, 196,571,003.73 and 53,269,159.74

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Solution

The fourth proportional to 131,047,149.32, 196,571,003.73 and 53,269,159.74 is: 79,903,853.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,047,149.32 : 196,571,003.73 = 53,269,159.74 : x
  2. Step 2: Convert to fraction form
    131,047,149.32/196,571,003.73 = 53,269,159.74/x
  3. Step 3: Cross multiply
    131,047,149.32x = 196,571,003.73 × 53,269,159.74
  4. Step 4: Simplify right side
    131,047,149.32x = 10,471,172,197,945,506
  5. Step 5: Solve for x
    x = 10,471,172,197,945,506/131,047,149.32
  6. Step 6: Final answer
    x = 79,903,853.33

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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.