Home / 163,983,676.16-226,297,929.21-89,645,135

Finding the Fourth Proportional to 163,983,676.16, 226,297,929.21 and 89,645,135

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Solution

The fourth proportional to 163,983,676.16, 226,297,929.21 and 89,645,135 is: 123,710,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,983,676.16 : 226,297,929.21 = 89,645,135 : x
  2. Step 2: Convert to fraction form
    163,983,676.16/226,297,929.21 = 89,645,135/x
  3. Step 3: Cross multiply
    163,983,676.16x = 226,297,929.21 × 89,645,135
  4. Step 4: Simplify right side
    163,983,676.16x = 20,286,508,414,250,896
  5. Step 5: Solve for x
    x = 20,286,508,414,250,896/163,983,676.16
  6. Step 6: Final answer
    x = 123,710,535.64

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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.