Home / 64,676,857.60-97,015,286.40-38,810,771.20

Finding the Fourth Proportional to 64,676,857.60, 97,015,286.40 and 38,810,771.20

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Solution

The fourth proportional to 64,676,857.60, 97,015,286.40 and 38,810,771.20 is: 58,216,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,676,857.60 : 97,015,286.40 = 38,810,771.20 : x
  2. Step 2: Convert to fraction form
    64,676,857.60/97,015,286.40 = 38,810,771.20/x
  3. Step 3: Cross multiply
    64,676,857.60x = 97,015,286.40 × 38,810,771.20
  4. Step 4: Simplify right side
    64,676,857.60x = 3,765,238,083,372,872
  5. Step 5: Solve for x
    x = 3,765,238,083,372,872/64,676,857.60
  6. Step 6: Final answer
    x = 58,216,156.80

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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.