Home / 53,634,642.20-80,451,963.30-19,557,099.80

Finding the Fourth Proportional to 53,634,642.20, 80,451,963.30 and 19,557,099.80

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Solution

The fourth proportional to 53,634,642.20, 80,451,963.30 and 19,557,099.80 is: 29,335,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,634,642.20 : 80,451,963.30 = 19,557,099.80 : x
  2. Step 2: Convert to fraction form
    53,634,642.20/80,451,963.30 = 19,557,099.80/x
  3. Step 3: Cross multiply
    53,634,642.20x = 80,451,963.30 × 19,557,099.80
  4. Step 4: Simplify right side
    53,634,642.20x = 1,573,407,075,364,037.25
  5. Step 5: Solve for x
    x = 1,573,407,075,364,037.25/53,634,642.20
  6. Step 6: Final answer
    x = 29,335,649.70

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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.