Home / 56,861,836.11-85,293,002.84-18,000,477.86

Finding the Fourth Proportional to 56,861,836.11, 85,293,002.84 and 18,000,477.86

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Solution

The fourth proportional to 56,861,836.11, 85,293,002.84 and 18,000,477.86 is: 27,000,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,861,836.11 : 85,293,002.84 = 18,000,477.86 : x
  2. Step 2: Convert to fraction form
    56,861,836.11/85,293,002.84 = 18,000,477.86/x
  3. Step 3: Cross multiply
    56,861,836.11x = 85,293,002.84 × 18,000,477.86
  4. Step 4: Simplify right side
    56,861,836.11x = 1,535,314,808,717,869.75
  5. Step 5: Solve for x
    x = 1,535,314,808,717,869.75/56,861,836.11
  6. Step 6: Final answer
    x = 27,000,795.50

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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.