Home / 289,935,822.92-400,111,494.82-159,555,630.92

Finding the Fourth Proportional to 289,935,822.92, 400,111,494.82 and 159,555,630.92

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Solution

The fourth proportional to 289,935,822.92, 400,111,494.82 and 159,555,630.92 is: 220,186,803.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,935,822.92 : 400,111,494.82 = 159,555,630.92 : x
  2. Step 2: Convert to fraction form
    289,935,822.92/400,111,494.82 = 159,555,630.92/x
  3. Step 3: Cross multiply
    289,935,822.92x = 400,111,494.82 × 159,555,630.92
  4. Step 4: Simplify right side
    289,935,822.92x = 63,840,041,991,949,960
  5. Step 5: Solve for x
    x = 63,840,041,991,949,960/289,935,822.92
  6. Step 6: Final answer
    x = 220,186,803.24

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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.