Home / 57,107,403.60-85,486,145.40-31,469,931.60

Finding the Fourth Proportional to 57,107,403.60, 85,486,145.40 and 31,469,931.60

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Solution

The fourth proportional to 57,107,403.60, 85,486,145.40 and 31,469,931.60 is: 47,108,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107,403.60 : 85,486,145.40 = 31,469,931.60 : x
  2. Step 2: Convert to fraction form
    57,107,403.60/85,486,145.40 = 31,469,931.60/x
  3. Step 3: Cross multiply
    57,107,403.60x = 85,486,145.40 × 31,469,931.60
  4. Step 4: Simplify right side
    57,107,403.60x = 2,690,243,148,485,655
  5. Step 5: Solve for x
    x = 2,690,243,148,485,655/57,107,403.60
  6. Step 6: Final answer
    x = 47,108,482.94

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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.