Home / 85,184,999.40-127,746,006.30-27,679,146.60

Finding the Fourth Proportional to 85,184,999.40, 127,746,006.30 and 27,679,146.60

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Solution

The fourth proportional to 85,184,999.40, 127,746,006.30 and 27,679,146.60 is: 41,508,486.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,184,999.40 : 127,746,006.30 = 27,679,146.60 : x
  2. Step 2: Convert to fraction form
    85,184,999.40/127,746,006.30 = 27,679,146.60/x
  3. Step 3: Cross multiply
    85,184,999.40x = 127,746,006.30 × 27,679,146.60
  4. Step 4: Simplify right side
    85,184,999.40x = 3,535,900,435,942,223.50
  5. Step 5: Solve for x
    x = 3,535,900,435,942,223.50/85,184,999.40
  6. Step 6: Final answer
    x = 41,508,486.95

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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.