Home / 74,733,010.56-112,118,178.24-20,879,856

Finding the Fourth Proportional to 74,733,010.56, 112,118,178.24 and 20,879,856

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Solution

The fourth proportional to 74,733,010.56, 112,118,178.24 and 20,879,856 is: 31,324,998.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,733,010.56 : 112,118,178.24 = 20,879,856 : x
  2. Step 2: Convert to fraction form
    74,733,010.56/112,118,178.24 = 20,879,856/x
  3. Step 3: Cross multiply
    74,733,010.56x = 112,118,178.24 × 20,879,856
  4. Step 4: Simplify right side
    74,733,010.56x = 2,341,011,416,633,533.50
  5. Step 5: Solve for x
    x = 2,341,011,416,633,533.50/74,733,010.56
  6. Step 6: Final answer
    x = 31,324,998.14

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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.