Home / 56,861,635.60-85,292,703.27-18,000,278.50

Finding the Fourth Proportional to 56,861,635.60, 85,292,703.27 and 18,000,278.50

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Solution

The fourth proportional to 56,861,635.60, 85,292,703.27 and 18,000,278.50 is: 27,000,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,635.60 : 85,292,703.27 = 18,000,278.50 : x
  2. Step 2: Convert to fraction form
    56,861,635.60/85,292,703.27 = 18,000,278.50/x
  3. Step 3: Cross multiply
    56,861,635.60x = 85,292,703.27 × 18,000,278.50
  4. Step 4: Simplify right side
    56,861,635.60x = 1,535,292,412,664,628.75
  5. Step 5: Solve for x
    x = 1,535,292,412,664,628.75/56,861,635.60
  6. Step 6: Final answer
    x = 27,000,496.85

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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.