Home / 91,090,156.30-136,635,234.45-82,303,665.10

Finding the Fourth Proportional to 91,090,156.30, 136,635,234.45 and 82,303,665.10

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Solution

The fourth proportional to 91,090,156.30, 136,635,234.45 and 82,303,665.10 is: 123,455,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,090,156.30 : 136,635,234.45 = 82,303,665.10 : x
  2. Step 2: Convert to fraction form
    91,090,156.30/136,635,234.45 = 82,303,665.10/x
  3. Step 3: Cross multiply
    91,090,156.30x = 136,635,234.45 × 82,303,665.10
  4. Step 4: Simplify right side
    91,090,156.30x = 11,245,580,577,032,780
  5. Step 5: Solve for x
    x = 11,245,580,577,032,780/91,090,156.30
  6. Step 6: Final answer
    x = 123,455,497.65

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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.