Home / 56,905,319.61-85,366,869.57-18,557,914.86

Finding the Fourth Proportional to 56,905,319.61, 85,366,869.57 and 18,557,914.86

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Solution

The fourth proportional to 56,905,319.61, 85,366,869.57 and 18,557,914.86 is: 27,839,771.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,905,319.61 : 85,366,869.57 = 18,557,914.86 : x
  2. Step 2: Convert to fraction form
    56,905,319.61/85,366,869.57 = 18,557,914.86/x
  3. Step 3: Cross multiply
    56,905,319.61x = 85,366,869.57 × 18,557,914.86
  4. Step 4: Simplify right side
    56,905,319.61x = 1,584,231,097,344,784.75
  5. Step 5: Solve for x
    x = 1,584,231,097,344,784.75/56,905,319.61
  6. Step 6: Final answer
    x = 27,839,771.54

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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.