Home / 285,664,054.02-394,220,713.86-160,244,051.70

Finding the Fourth Proportional to 285,664,054.02, 394,220,713.86 and 160,244,051.70

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Solution

The fourth proportional to 285,664,054.02, 394,220,713.86 and 160,244,051.70 is: 221,139,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,664,054.02 : 394,220,713.86 = 160,244,051.70 : x
  2. Step 2: Convert to fraction form
    285,664,054.02/394,220,713.86 = 160,244,051.70/x
  3. Step 3: Cross multiply
    285,664,054.02x = 394,220,713.86 × 160,244,051.70
  4. Step 4: Simplify right side
    285,664,054.02x = 63,171,524,452,992,744
  5. Step 5: Solve for x
    x = 63,171,524,452,992,744/285,664,054.02
  6. Step 6: Final answer
    x = 221,139,214.28

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Why These Related Problems?

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