Home / 42,050,156.40-63,025,782.48-18,994,180.32

Finding the Fourth Proportional to 42,050,156.40, 63,025,782.48 and 18,994,180.32

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Solution

The fourth proportional to 42,050,156.40, 63,025,782.48 and 18,994,180.32 is: 28,468,932.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,050,156.40 : 63,025,782.48 = 18,994,180.32 : x
  2. Step 2: Convert to fraction form
    42,050,156.40/63,025,782.48 = 18,994,180.32/x
  3. Step 3: Cross multiply
    42,050,156.40x = 63,025,782.48 × 18,994,180.32
  4. Step 4: Simplify right side
    42,050,156.40x = 1,197,123,077,234,216.75
  5. Step 5: Solve for x
    x = 1,197,123,077,234,216.75/42,050,156.40
  6. Step 6: Final answer
    x = 28,468,932.81

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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.