Home / 159,814,983.72-220,545,431.46-90,203,298.60

Finding the Fourth Proportional to 159,814,983.72, 220,545,431.46 and 90,203,298.60

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Solution

The fourth proportional to 159,814,983.72, 220,545,431.46 and 90,203,298.60 is: 124,480,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,814,983.72 : 220,545,431.46 = 90,203,298.60 : x
  2. Step 2: Convert to fraction form
    159,814,983.72/220,545,431.46 = 90,203,298.60/x
  3. Step 3: Cross multiply
    159,814,983.72x = 220,545,431.46 × 90,203,298.60
  4. Step 4: Simplify right side
    159,814,983.72x = 19,893,925,408,852,212
  5. Step 5: Solve for x
    x = 19,893,925,408,852,212/159,814,983.72
  6. Step 6: Final answer
    x = 124,480,977.60

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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.