Home / 63,618,543.37-87,800,715.75-38,514,489.72

Finding the Fourth Proportional to 63,618,543.37, 87,800,715.75 and 38,514,489.72

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Solution

The fourth proportional to 63,618,543.37, 87,800,715.75 and 38,514,489.72 is: 53,154,309.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,618,543.37 : 87,800,715.75 = 38,514,489.72 : x
  2. Step 2: Convert to fraction form
    63,618,543.37/87,800,715.75 = 38,514,489.72/x
  3. Step 3: Cross multiply
    63,618,543.37x = 87,800,715.75 × 38,514,489.72
  4. Step 4: Simplify right side
    63,618,543.37x = 3,381,599,764,162,017
  5. Step 5: Solve for x
    x = 3,381,599,764,162,017/63,618,543.37
  6. Step 6: Final answer
    x = 53,154,309.81

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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.