Home / 108,690,992.65-149,994,222.12-59,131,721.03

Finding the Fourth Proportional to 108,690,992.65, 149,994,222.12 and 59,131,721.03

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Solution

The fourth proportional to 108,690,992.65, 149,994,222.12 and 59,131,721.03 is: 81,602,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,690,992.65 : 149,994,222.12 = 59,131,721.03 : x
  2. Step 2: Convert to fraction form
    108,690,992.65/149,994,222.12 = 59,131,721.03/x
  3. Step 3: Cross multiply
    108,690,992.65x = 149,994,222.12 × 59,131,721.03
  4. Step 4: Simplify right side
    108,690,992.65x = 8,869,416,497,539,980
  5. Step 5: Solve for x
    x = 8,869,416,497,539,980/108,690,992.65
  6. Step 6: Final answer
    x = 81,602,129.87

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