Home / 285,664,186.84-394,220,897.22-160,244,184.76

Finding the Fourth Proportional to 285,664,186.84, 394,220,897.22 and 160,244,184.76

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Solution

The fourth proportional to 285,664,186.84, 394,220,897.22 and 160,244,184.76 is: 221,139,397.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,664,186.84 : 394,220,897.22 = 160,244,184.76 : x
  2. Step 2: Convert to fraction form
    285,664,186.84/394,220,897.22 = 160,244,184.76/x
  3. Step 3: Cross multiply
    285,664,186.84x = 394,220,897.22 × 160,244,184.76
  4. Step 4: Simplify right side
    285,664,186.84x = 63,171,606,290,374,648
  5. Step 5: Solve for x
    x = 63,171,606,290,374,648/285,664,186.84
  6. Step 6: Final answer
    x = 221,139,397.94

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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.