Home / 64,538,461.08-96,826,540.12-20,818,253.43

Finding the Fourth Proportional to 64,538,461.08, 96,826,540.12 and 20,818,253.43

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Solution

The fourth proportional to 64,538,461.08, 96,826,540.12 and 20,818,253.43 is: 31,233,460.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,538,461.08 : 96,826,540.12 = 20,818,253.43 : x
  2. Step 2: Convert to fraction form
    64,538,461.08/96,826,540.12 = 20,818,253.43/x
  3. Step 3: Cross multiply
    64,538,461.08x = 96,826,540.12 × 20,818,253.43
  4. Step 4: Simplify right side
    64,538,461.08x = 2,015,759,450,916,177
  5. Step 5: Solve for x
    x = 2,015,759,450,916,177/64,538,461.08
  6. Step 6: Final answer
    x = 31,233,460.13

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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.