Home / 125,186,457.30-187,647,153.62-42,109,121.58

Finding the Fourth Proportional to 125,186,457.30, 187,647,153.62 and 42,109,121.58

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Solution

The fourth proportional to 125,186,457.30, 187,647,153.62 and 42,109,121.58 is: 63,119,102.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,457.30 : 187,647,153.62 = 42,109,121.58 : x
  2. Step 2: Convert to fraction form
    125,186,457.30/187,647,153.62 = 42,109,121.58/x
  3. Step 3: Cross multiply
    125,186,457.30x = 187,647,153.62 × 42,109,121.58
  4. Step 4: Simplify right side
    125,186,457.30x = 7,901,656,805,714,972
  5. Step 5: Solve for x
    x = 7,901,656,805,714,972/125,186,457.30
  6. Step 6: Final answer
    x = 63,119,102.31

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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.