Home / 64,165,101.60-96,261,649.20-18,723,194.40

Finding the Fourth Proportional to 64,165,101.60, 96,261,649.20 and 18,723,194.40

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Solution

The fourth proportional to 64,165,101.60, 96,261,649.20 and 18,723,194.40 is: 28,088,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,165,101.60 : 96,261,649.20 = 18,723,194.40 : x
  2. Step 2: Convert to fraction form
    64,165,101.60/96,261,649.20 = 18,723,194.40/x
  3. Step 3: Cross multiply
    64,165,101.60x = 96,261,649.20 × 18,723,194.40
  4. Step 4: Simplify right side
    64,165,101.60x = 1,802,325,571,236,204.50
  5. Step 5: Solve for x
    x = 1,802,325,571,236,204.50/64,165,101.60
  6. Step 6: Final answer
    x = 28,088,875.83

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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.