Home / 156,049,861.63-215,349,063.35-85,483,922.89

Finding the Fourth Proportional to 156,049,861.63, 215,349,063.35 and 85,483,922.89

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Solution

The fourth proportional to 156,049,861.63, 215,349,063.35 and 85,483,922.89 is: 117,967,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,049,861.63 : 215,349,063.35 = 85,483,922.89 : x
  2. Step 2: Convert to fraction form
    156,049,861.63/215,349,063.35 = 85,483,922.89/x
  3. Step 3: Cross multiply
    156,049,861.63x = 215,349,063.35 × 85,483,922.89
  4. Step 4: Simplify right side
    156,049,861.63x = 18,408,882,725,845,124
  5. Step 5: Solve for x
    x = 18,408,882,725,845,124/156,049,861.63
  6. Step 6: Final answer
    x = 117,967,952.89

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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.