Home / 64,467,928.60-96,701,892.90-21,341,491.45

Finding the Fourth Proportional to 64,467,928.60, 96,701,892.90 and 21,341,491.45

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Solution

The fourth proportional to 64,467,928.60, 96,701,892.90 and 21,341,491.45 is: 32,012,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,467,928.60 : 96,701,892.90 = 21,341,491.45 : x
  2. Step 2: Convert to fraction form
    64,467,928.60/96,701,892.90 = 21,341,491.45/x
  3. Step 3: Cross multiply
    64,467,928.60x = 96,701,892.90 × 21,341,491.45
  4. Step 4: Simplify right side
    64,467,928.60x = 2,063,762,620,524,165.75
  5. Step 5: Solve for x
    x = 2,063,762,620,524,165.75/64,467,928.60
  6. Step 6: Final answer
    x = 32,012,237.18

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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.