Home / 187,236,653.60-280,855,855.20-66,068,105.60

Finding the Fourth Proportional to 187,236,653.60, 280,855,855.20 and 66,068,105.60

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Solution

The fourth proportional to 187,236,653.60, 280,855,855.20 and 66,068,105.60 is: 99,102,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,236,653.60 : 280,855,855.20 = 66,068,105.60 : x
  2. Step 2: Convert to fraction form
    187,236,653.60/280,855,855.20 = 66,068,105.60/x
  3. Step 3: Cross multiply
    187,236,653.60x = 280,855,855.20 × 66,068,105.60
  4. Step 4: Simplify right side
    187,236,653.60x = 18,555,614,299,731,908
  5. Step 5: Solve for x
    x = 18,555,614,299,731,908/187,236,653.60
  6. Step 6: Final answer
    x = 99,102,467.08

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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.