Home / 56,972,118.90-78,543,437.43-36,053,745.78

Finding the Fourth Proportional to 56,972,118.90, 78,543,437.43 and 36,053,745.78

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Solution

The fourth proportional to 56,972,118.90, 78,543,437.43 and 36,053,745.78 is: 49,704,753.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,972,118.90 : 78,543,437.43 = 36,053,745.78 : x
  2. Step 2: Convert to fraction form
    56,972,118.90/78,543,437.43 = 36,053,745.78/x
  3. Step 3: Cross multiply
    56,972,118.90x = 78,543,437.43 × 36,053,745.78
  4. Step 4: Simplify right side
    56,972,118.90x = 2,831,785,125,788,557
  5. Step 5: Solve for x
    x = 2,831,785,125,788,557/56,972,118.90
  6. Step 6: Final answer
    x = 49,704,753.49

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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.