Home / 152,379,279.07-210,279,828.40-89,659,439.44

Finding the Fourth Proportional to 152,379,279.07, 210,279,828.40 and 89,659,439.44

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Solution

The fourth proportional to 152,379,279.07, 210,279,828.40 and 89,659,439.44 is: 123,727,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379,279.07 : 210,279,828.40 = 89,659,439.44 : x
  2. Step 2: Convert to fraction form
    152,379,279.07/210,279,828.40 = 89,659,439.44/x
  3. Step 3: Cross multiply
    152,379,279.07x = 210,279,828.40 × 89,659,439.44
  4. Step 4: Simplify right side
    152,379,279.07x = 18,853,571,539,133,544
  5. Step 5: Solve for x
    x = 18,853,571,539,133,544/152,379,279.07
  6. Step 6: Final answer
    x = 123,727,921.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.