Home / 140,254,690.82-210,382,037.04-38,018,728.04

Finding the Fourth Proportional to 140,254,690.82, 210,382,037.04 and 38,018,728.04

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Solution

The fourth proportional to 140,254,690.82, 210,382,037.04 and 38,018,728.04 is: 57,028,092.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,254,690.82 : 210,382,037.04 = 38,018,728.04 : x
  2. Step 2: Convert to fraction form
    140,254,690.82/210,382,037.04 = 38,018,728.04/x
  3. Step 3: Cross multiply
    140,254,690.82x = 210,382,037.04 × 38,018,728.04
  4. Step 4: Simplify right side
    140,254,690.82x = 7,998,457,450,724,966
  5. Step 5: Solve for x
    x = 7,998,457,450,724,966/140,254,690.82
  6. Step 6: Final answer
    x = 57,028,092.28

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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.