Home / 57,478,300.20-86,217,450.30-52,775,375.40

Finding the Fourth Proportional to 57,478,300.20, 86,217,450.30 and 52,775,375.40

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Solution

The fourth proportional to 57,478,300.20, 86,217,450.30 and 52,775,375.40 is: 79,163,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,300.20 : 86,217,450.30 = 52,775,375.40 : x
  2. Step 2: Convert to fraction form
    57,478,300.20/86,217,450.30 = 52,775,375.40/x
  3. Step 3: Cross multiply
    57,478,300.20x = 86,217,450.30 × 52,775,375.40
  4. Step 4: Simplify right side
    57,478,300.20x = 4,550,158,305,613,342
  5. Step 5: Solve for x
    x = 4,550,158,305,613,342/57,478,300.20
  6. Step 6: Final answer
    x = 79,163,063.10

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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.