Home / 104,345,111.70-156,517,667.55-80,130,647.70

Finding the Fourth Proportional to 104,345,111.70, 156,517,667.55 and 80,130,647.70

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Solution

The fourth proportional to 104,345,111.70, 156,517,667.55 and 80,130,647.70 is: 120,195,971.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345,111.70 : 156,517,667.55 = 80,130,647.70 : x
  2. Step 2: Convert to fraction form
    104,345,111.70/156,517,667.55 = 80,130,647.70/x
  3. Step 3: Cross multiply
    104,345,111.70x = 156,517,667.55 × 80,130,647.70
  4. Step 4: Simplify right side
    104,345,111.70x = 12,541,862,077,274,774
  5. Step 5: Solve for x
    x = 12,541,862,077,274,774/104,345,111.70
  6. Step 6: Final answer
    x = 120,195,971.55

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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.