Home / 115,652,104.65-159,598,415.39-66,091,910.76

Finding the Fourth Proportional to 115,652,104.65, 159,598,415.39 and 66,091,910.76

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Solution

The fourth proportional to 115,652,104.65, 159,598,415.39 and 66,091,910.76 is: 91,205,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,652,104.65 : 159,598,415.39 = 66,091,910.76 : x
  2. Step 2: Convert to fraction form
    115,652,104.65/159,598,415.39 = 66,091,910.76/x
  3. Step 3: Cross multiply
    115,652,104.65x = 159,598,415.39 × 66,091,910.76
  4. Step 4: Simplify right side
    115,652,104.65x = 10,548,164,227,062,830
  5. Step 5: Solve for x
    x = 10,548,164,227,062,830/115,652,104.65
  6. Step 6: Final answer
    x = 91,205,985.91

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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.