Home / 72,040,504.97-99,415,773.90-39,000,741.45

Finding the Fourth Proportional to 72,040,504.97, 99,415,773.90 and 39,000,741.45

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Solution

The fourth proportional to 72,040,504.97, 99,415,773.90 and 39,000,741.45 is: 53,820,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,040,504.97 : 99,415,773.90 = 39,000,741.45 : x
  2. Step 2: Convert to fraction form
    72,040,504.97/99,415,773.90 = 39,000,741.45/x
  3. Step 3: Cross multiply
    72,040,504.97x = 99,415,773.90 × 39,000,741.45
  4. Step 4: Simplify right side
    72,040,504.97x = 3,877,288,893,925,558.50
  5. Step 5: Solve for x
    x = 3,877,288,893,925,558.50/72,040,504.97
  6. Step 6: Final answer
    x = 53,820,956.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.