Home / 61,784,145.54-92,691,201.69-18,650,772.36

Finding the Fourth Proportional to 61,784,145.54, 92,691,201.69 and 18,650,772.36

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Solution

The fourth proportional to 61,784,145.54, 92,691,201.69 and 18,650,772.36 is: 27,980,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,784,145.54 : 92,691,201.69 = 18,650,772.36 : x
  2. Step 2: Convert to fraction form
    61,784,145.54/92,691,201.69 = 18,650,772.36/x
  3. Step 3: Cross multiply
    61,784,145.54x = 92,691,201.69 × 18,650,772.36
  4. Step 4: Simplify right side
    61,784,145.54x = 1,728,762,502,495,037.25
  5. Step 5: Solve for x
    x = 1,728,762,502,495,037.25/61,784,145.54
  6. Step 6: Final answer
    x = 27,980,681.57

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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.