Home / 85,619,520.48-128,448,907.02-37,105,519.80

Finding the Fourth Proportional to 85,619,520.48, 128,448,907.02 and 37,105,519.80

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Solution

The fourth proportional to 85,619,520.48, 128,448,907.02 and 37,105,519.80 is: 55,666,785.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,619,520.48 : 128,448,907.02 = 37,105,519.80 : x
  2. Step 2: Convert to fraction form
    85,619,520.48/128,448,907.02 = 37,105,519.80/x
  3. Step 3: Cross multiply
    85,619,520.48x = 128,448,907.02 × 37,105,519.80
  4. Step 4: Simplify right side
    85,619,520.48x = 4,766,163,462,718,968
  5. Step 5: Solve for x
    x = 4,766,163,462,718,968/85,619,520.48
  6. Step 6: Final answer
    x = 55,666,785.28

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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.