Home / 147,240,398,804.64-220,924,379,288.87-79,091,942,479.54

Finding the Fourth Proportional to 147,240,398,804.64, 220,924,379,288.87 and 79,091,942,479.54

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Solution

The fourth proportional to 147,240,398,804.64, 220,924,379,288.87 and 79,091,942,479.54 is: 118,672,174,490.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,240,398,804.64 : 220,924,379,288.87 = 79,091,942,479.54 : x
  2. Step 2: Convert to fraction form
    147,240,398,804.64/220,924,379,288.87 = 79,091,942,479.54/x
  3. Step 3: Cross multiply
    147,240,398,804.64x = 220,924,379,288.87 × 79,091,942,479.54
  4. Step 4: Simplify right side
    147,240,398,804.64x = 17,473,338,299,042,280,505,344
  5. Step 5: Solve for x
    x = 17,473,338,299,042,280,505,344/147,240,398,804.64
  6. Step 6: Final answer
    x = 118,672,174,490.82

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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.