Home / 254,387,730.40-381,581,595.60-90,810,190.60

Finding the Fourth Proportional to 254,387,730.40, 381,581,595.60 and 90,810,190.60

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Solution

The fourth proportional to 254,387,730.40, 381,581,595.60 and 90,810,190.60 is: 136,215,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,387,730.40 : 381,581,595.60 = 90,810,190.60 : x
  2. Step 2: Convert to fraction form
    254,387,730.40/381,581,595.60 = 90,810,190.60/x
  3. Step 3: Cross multiply
    254,387,730.40x = 381,581,595.60 × 90,810,190.60
  4. Step 4: Simplify right side
    254,387,730.40x = 34,651,497,425,888,120
  5. Step 5: Solve for x
    x = 34,651,497,425,888,120/254,387,730.40
  6. Step 6: Final answer
    x = 136,215,285.90

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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.