Home / 73,721,704.80-110,441,552.40-39,631,720.80

Finding the Fourth Proportional to 73,721,704.80, 110,441,552.40 and 39,631,720.80

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Solution

The fourth proportional to 73,721,704.80, 110,441,552.40 and 39,631,720.80 is: 59,371,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721,704.80 : 110,441,552.40 = 39,631,720.80 : x
  2. Step 2: Convert to fraction form
    73,721,704.80/110,441,552.40 = 39,631,720.80/x
  3. Step 3: Cross multiply
    73,721,704.80x = 110,441,552.40 × 39,631,720.80
  4. Step 4: Simplify right side
    73,721,704.80x = 4,376,988,769,435,370
  5. Step 5: Solve for x
    x = 4,376,988,769,435,370/73,721,704.80
  6. Step 6: Final answer
    x = 59,371,779.06

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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.