Home / 80,493,260.90-120,714,295-25,893,137.12

Finding the Fourth Proportional to 80,493,260.90, 120,714,295 and 25,893,137.12

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Solution

The fourth proportional to 80,493,260.90, 120,714,295 and 25,893,137.12 is: 38,831,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,493,260.90 : 120,714,295 = 25,893,137.12 : x
  2. Step 2: Convert to fraction form
    80,493,260.90/120,714,295 = 25,893,137.12/x
  3. Step 3: Cross multiply
    80,493,260.90x = 120,714,295 × 25,893,137.12
  4. Step 4: Simplify right side
    80,493,260.90x = 3,125,671,792,779,130.50
  5. Step 5: Solve for x
    x = 3,125,671,792,779,130.50/80,493,260.90
  6. Step 6: Final answer
    x = 38,831,471.83

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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.