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Finding the Fourth Proportional to 64,561,604.80, 96,868,359.60 and 26,226,119.20

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Solution

The fourth proportional to 64,561,604.80, 96,868,359.60 and 26,226,119.20 is: 39,349,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,561,604.80 : 96,868,359.60 = 26,226,119.20 : x
  2. Step 2: Convert to fraction form
    64,561,604.80/96,868,359.60 = 26,226,119.20/x
  3. Step 3: Cross multiply
    64,561,604.80x = 96,868,359.60 × 26,226,119.20
  4. Step 4: Simplify right side
    64,561,604.80x = 2,540,481,145,578,064
  5. Step 5: Solve for x
    x = 2,540,481,145,578,064/64,561,604.80
  6. Step 6: Final answer
    x = 39,349,721.15

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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.