Home / 56,809,954.30-85,214,931.45-39,425,928.70

Finding the Fourth Proportional to 56,809,954.30, 85,214,931.45 and 39,425,928.70

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Solution

The fourth proportional to 56,809,954.30, 85,214,931.45 and 39,425,928.70 is: 59,138,893.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809,954.30 : 85,214,931.45 = 39,425,928.70 : x
  2. Step 2: Convert to fraction form
    56,809,954.30/85,214,931.45 = 39,425,928.70/x
  3. Step 3: Cross multiply
    56,809,954.30x = 85,214,931.45 × 39,425,928.70
  4. Step 4: Simplify right side
    56,809,954.30x = 3,359,677,811,523,088
  5. Step 5: Solve for x
    x = 3,359,677,811,523,088/56,809,954.30
  6. Step 6: Final answer
    x = 59,138,893.05

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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.