Home / 64,584,167.76-89,127,944.64-39,470,343.12

Finding the Fourth Proportional to 64,584,167.76, 89,127,944.64 and 39,470,343.12

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Solution

The fourth proportional to 64,584,167.76, 89,127,944.64 and 39,470,343.12 is: 54,470,169.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,584,167.76 : 89,127,944.64 = 39,470,343.12 : x
  2. Step 2: Convert to fraction form
    64,584,167.76/89,127,944.64 = 39,470,343.12/x
  3. Step 3: Cross multiply
    64,584,167.76x = 89,127,944.64 × 39,470,343.12
  4. Step 4: Simplify right side
    64,584,167.76x = 3,517,910,556,521,164.50
  5. Step 5: Solve for x
    x = 3,517,910,556,521,164.50/64,584,167.76
  6. Step 6: Final answer
    x = 54,470,169.37

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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.