Home / 64,131,970.60-96,188,624.70-18,689,026.60

Finding the Fourth Proportional to 64,131,970.60, 96,188,624.70 and 18,689,026.60

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Solution

The fourth proportional to 64,131,970.60, 96,188,624.70 and 18,689,026.60 is: 28,030,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131,970.60 : 96,188,624.70 = 18,689,026.60 : x
  2. Step 2: Convert to fraction form
    64,131,970.60/96,188,624.70 = 18,689,026.60/x
  3. Step 3: Cross multiply
    64,131,970.60x = 96,188,624.70 × 18,689,026.60
  4. Step 4: Simplify right side
    64,131,970.60x = 1,797,671,765,635,717.25
  5. Step 5: Solve for x
    x = 1,797,671,765,635,717.25/64,131,970.60
  6. Step 6: Final answer
    x = 28,030,820.65

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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.