Home / 64,672,492.80-97,022,217.60-21,555,091.20

Finding the Fourth Proportional to 64,672,492.80, 97,022,217.60 and 21,555,091.20

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Solution

The fourth proportional to 64,672,492.80, 97,022,217.60 and 21,555,091.20 is: 32,337,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,672,492.80 : 97,022,217.60 = 21,555,091.20 : x
  2. Step 2: Convert to fraction form
    64,672,492.80/97,022,217.60 = 21,555,091.20/x
  3. Step 3: Cross multiply
    64,672,492.80x = 97,022,217.60 × 21,555,091.20
  4. Step 4: Simplify right side
    64,672,492.80x = 2,091,322,748,794,245
  5. Step 5: Solve for x
    x = 2,091,322,748,794,245/64,672,492.80
  6. Step 6: Final answer
    x = 32,337,129.10

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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.