Home / 64,159,834.44-96,201,316.08-20,421,699.60

Finding the Fourth Proportional to 64,159,834.44, 96,201,316.08 and 20,421,699.60

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Solution

The fourth proportional to 64,159,834.44, 96,201,316.08 and 20,421,699.60 is: 30,620,315.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,159,834.44 : 96,201,316.08 = 20,421,699.60 : x
  2. Step 2: Convert to fraction form
    64,159,834.44/96,201,316.08 = 20,421,699.60/x
  3. Step 3: Cross multiply
    64,159,834.44x = 96,201,316.08 × 20,421,699.60
  4. Step 4: Simplify right side
    64,159,834.44x = 1,964,594,378,110,409.75
  5. Step 5: Solve for x
    x = 1,964,594,378,110,409.75/64,159,834.44
  6. Step 6: Final answer
    x = 30,620,315.58

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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.