Home / 56,533,780.32-78,025,872.39-47,099,610.43

Finding the Fourth Proportional to 56,533,780.32, 78,025,872.39 and 47,099,610.43

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Solution

The fourth proportional to 56,533,780.32, 78,025,872.39 and 47,099,610.43 is: 65,005,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,533,780.32 : 78,025,872.39 = 47,099,610.43 : x
  2. Step 2: Convert to fraction form
    56,533,780.32/78,025,872.39 = 47,099,610.43/x
  3. Step 3: Cross multiply
    56,533,780.32x = 78,025,872.39 × 47,099,610.43
  4. Step 4: Simplify right side
    56,533,780.32x = 3,674,988,192,639,763.50
  5. Step 5: Solve for x
    x = 3,674,988,192,639,763.50/56,533,780.32
  6. Step 6: Final answer
    x = 65,005,173.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.