Home / 99,840,685.01-137,785,467.56-55,788,753.20

Finding the Fourth Proportional to 99,840,685.01, 137,785,467.56 and 55,788,753.20

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Solution

The fourth proportional to 99,840,685.01, 137,785,467.56 and 55,788,753.20 is: 76,991,453.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,840,685.01 : 137,785,467.56 = 55,788,753.20 : x
  2. Step 2: Convert to fraction form
    99,840,685.01/137,785,467.56 = 55,788,753.20/x
  3. Step 3: Cross multiply
    99,840,685.01x = 137,785,467.56 × 55,788,753.20
  4. Step 4: Simplify right side
    99,840,685.01x = 7,686,879,443,283,576
  5. Step 5: Solve for x
    x = 7,686,879,443,283,576/99,840,685.01
  6. Step 6: Final answer
    x = 76,991,453.36

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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.