Home / 242,028,019.60-362,994,790.20-80,469,955.60

Finding the Fourth Proportional to 242,028,019.60, 362,994,790.20 and 80,469,955.60

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Solution

The fourth proportional to 242,028,019.60, 362,994,790.20 and 80,469,955.60 is: 120,689,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,028,019.60 : 362,994,790.20 = 80,469,955.60 : x
  2. Step 2: Convert to fraction form
    242,028,019.60/362,994,790.20 = 80,469,955.60/x
  3. Step 3: Cross multiply
    242,028,019.60x = 362,994,790.20 × 80,469,955.60
  4. Step 4: Simplify right side
    242,028,019.60x = 29,210,174,650,425,312
  5. Step 5: Solve for x
    x = 29,210,174,650,425,312/242,028,019.60
  6. Step 6: Final answer
    x = 120,689,227.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.