Home / 354,399,467.60-531,439,769.10-135,977,216.60

Finding the Fourth Proportional to 354,399,467.60, 531,439,769.10 and 135,977,216.60

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Solution

The fourth proportional to 354,399,467.60, 531,439,769.10 and 135,977,216.60 is: 203,904,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,399,467.60 : 531,439,769.10 = 135,977,216.60 : x
  2. Step 2: Convert to fraction form
    354,399,467.60/531,439,769.10 = 135,977,216.60/x
  3. Step 3: Cross multiply
    354,399,467.60x = 531,439,769.10 × 135,977,216.60
  4. Step 4: Simplify right side
    354,399,467.60x = 72,263,700,592,764,688
  5. Step 5: Solve for x
    x = 72,263,700,592,764,688/354,399,467.60
  6. Step 6: Final answer
    x = 203,904,653.36

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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.