Home / 56,794,783.90-85,204,617.45-18,449,772.70

Finding the Fourth Proportional to 56,794,783.90, 85,204,617.45 and 18,449,772.70

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Solution

The fourth proportional to 56,794,783.90, 85,204,617.45 and 18,449,772.70 is: 27,678,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,794,783.90 : 85,204,617.45 = 18,449,772.70 : x
  2. Step 2: Convert to fraction form
    56,794,783.90/85,204,617.45 = 18,449,772.70/x
  3. Step 3: Cross multiply
    56,794,783.90x = 85,204,617.45 × 18,449,772.70
  4. Step 4: Simplify right side
    56,794,783.90x = 1,572,005,824,942,953.50
  5. Step 5: Solve for x
    x = 1,572,005,824,942,953.50/56,794,783.90
  6. Step 6: Final answer
    x = 27,678,700.70

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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.