Home / 152,621,392.56-210,672,310.68-90,741,583.92

Finding the Fourth Proportional to 152,621,392.56, 210,672,310.68 and 90,741,583.92

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Solution

The fourth proportional to 152,621,392.56, 210,672,310.68 and 90,741,583.92 is: 125,255,960.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,621,392.56 : 210,672,310.68 = 90,741,583.92 : x
  2. Step 2: Convert to fraction form
    152,621,392.56/210,672,310.68 = 90,741,583.92/x
  3. Step 3: Cross multiply
    152,621,392.56x = 210,672,310.68 × 90,741,583.92
  4. Step 4: Simplify right side
    152,621,392.56x = 19,116,739,159,189,532
  5. Step 5: Solve for x
    x = 19,116,739,159,189,532/152,621,392.56
  6. Step 6: Final answer
    x = 125,255,960.77

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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.