Home / 152,379,240.54-210,279,775.35-89,659,400.82

Finding the Fourth Proportional to 152,379,240.54, 210,279,775.35 and 89,659,400.82

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Solution

The fourth proportional to 152,379,240.54, 210,279,775.35 and 89,659,400.82 is: 123,727,868.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379,240.54 : 210,279,775.35 = 89,659,400.82 : x
  2. Step 2: Convert to fraction form
    152,379,240.54/210,279,775.35 = 89,659,400.82/x
  3. Step 3: Cross multiply
    152,379,240.54x = 210,279,775.35 × 89,659,400.82
  4. Step 4: Simplify right side
    152,379,240.54x = 18,853,558,662,445,204
  5. Step 5: Solve for x
    x = 18,853,558,662,445,204/152,379,240.54
  6. Step 6: Final answer
    x = 123,727,868.68

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1.5x scale

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.