Home / 131,047,149.07-196,571,003.36-53,269,159.49

Finding the Fourth Proportional to 131,047,149.07, 196,571,003.36 and 53,269,159.49

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Solution

The fourth proportional to 131,047,149.07, 196,571,003.36 and 53,269,159.49 is: 79,903,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,047,149.07 : 196,571,003.36 = 53,269,159.49 : x
  2. Step 2: Convert to fraction form
    131,047,149.07/196,571,003.36 = 53,269,159.49/x
  3. Step 3: Cross multiply
    131,047,149.07x = 196,571,003.36 × 53,269,159.49
  4. Step 4: Simplify right side
    131,047,149.07x = 10,471,172,127,843,964
  5. Step 5: Solve for x
    x = 10,471,172,127,843,964/131,047,149.07
  6. Step 6: Final answer
    x = 79,903,852.94

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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.