Home / 56,861,639.96-85,292,709.81-18,000,282.88

Finding the Fourth Proportional to 56,861,639.96, 85,292,709.81 and 18,000,282.88

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Solution

The fourth proportional to 56,861,639.96, 85,292,709.81 and 18,000,282.88 is: 27,000,503.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,639.96 : 85,292,709.81 = 18,000,282.88 : x
  2. Step 2: Convert to fraction form
    56,861,639.96/85,292,709.81 = 18,000,282.88/x
  3. Step 3: Cross multiply
    56,861,639.96x = 85,292,709.81 × 18,000,282.88
  4. Step 4: Simplify right side
    56,861,639.96x = 1,535,292,903,665,286.25
  5. Step 5: Solve for x
    x = 1,535,292,903,665,286.25/56,861,639.96
  6. Step 6: Final answer
    x = 27,000,503.41

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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.