Home / 354,294,458.10-531,441,687.15-124,286,793.30

Finding the Fourth Proportional to 354,294,458.10, 531,441,687.15 and 124,286,793.30

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Solution

The fourth proportional to 354,294,458.10, 531,441,687.15 and 124,286,793.30 is: 186,430,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,458.10 : 531,441,687.15 = 124,286,793.30 : x
  2. Step 2: Convert to fraction form
    354,294,458.10/531,441,687.15 = 124,286,793.30/x
  3. Step 3: Cross multiply
    354,294,458.10x = 531,441,687.15 × 124,286,793.30
  4. Step 4: Simplify right side
    354,294,458.10x = 66,051,183,121,815,312
  5. Step 5: Solve for x
    x = 66,051,183,121,815,312/354,294,458.10
  6. Step 6: Final answer
    x = 186,430,189.95

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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.