Home / 73,147,398.30-109,720,878.75-18,559,878.30

Finding the Fourth Proportional to 73,147,398.30, 109,720,878.75 and 18,559,878.30

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Solution

The fourth proportional to 73,147,398.30, 109,720,878.75 and 18,559,878.30 is: 27,839,761.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,147,398.30 : 109,720,878.75 = 18,559,878.30 : x
  2. Step 2: Convert to fraction form
    73,147,398.30/109,720,878.75 = 18,559,878.30/x
  3. Step 3: Cross multiply
    73,147,398.30x = 109,720,878.75 × 18,559,878.30
  4. Step 4: Simplify right side
    73,147,398.30x = 2,036,406,156,569,056.25
  5. Step 5: Solve for x
    x = 2,036,406,156,569,056.25/73,147,398.30
  6. Step 6: Final answer
    x = 27,839,761.96

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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.