Home / 120,877,833.30-181,250,265.15-82,582,588.50

Finding the Fourth Proportional to 120,877,833.30, 181,250,265.15 and 82,582,588.50

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Solution

The fourth proportional to 120,877,833.30, 181,250,265.15 and 82,582,588.50 is: 123,828,460.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,877,833.30 : 181,250,265.15 = 82,582,588.50 : x
  2. Step 2: Convert to fraction form
    120,877,833.30/181,250,265.15 = 82,582,588.50/x
  3. Step 3: Cross multiply
    120,877,833.30x = 181,250,265.15 × 82,582,588.50
  4. Step 4: Simplify right side
    120,877,833.30x = 14,968,116,062,398,342
  5. Step 5: Solve for x
    x = 14,968,116,062,398,342/120,877,833.30
  6. Step 6: Final answer
    x = 123,828,460.97

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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.