Home / 354,399,462.60-531,439,761.60-135,977,211.60

Finding the Fourth Proportional to 354,399,462.60, 531,439,761.60 and 135,977,211.60

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Solution

The fourth proportional to 354,399,462.60, 531,439,761.60 and 135,977,211.60 is: 203,904,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,399,462.60 : 531,439,761.60 = 135,977,211.60 : x
  2. Step 2: Convert to fraction form
    354,399,462.60/531,439,761.60 = 135,977,211.60/x
  3. Step 3: Cross multiply
    354,399,462.60x = 531,439,761.60 × 135,977,211.60
  4. Step 4: Simplify right side
    354,399,462.60x = 72,263,696,915,736,752
  5. Step 5: Solve for x
    x = 72,263,696,915,736,752/354,399,462.60
  6. Step 6: Final answer
    x = 203,904,645.86

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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.