Home / 122,977,636.40-184,664,068.68-81,542,509.76

Finding the Fourth Proportional to 122,977,636.40, 184,664,068.68 and 81,542,509.76

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Solution

The fourth proportional to 122,977,636.40, 184,664,068.68 and 81,542,509.76 is: 122,444,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,977,636.40 : 184,664,068.68 = 81,542,509.76 : x
  2. Step 2: Convert to fraction form
    122,977,636.40/184,664,068.68 = 81,542,509.76/x
  3. Step 3: Cross multiply
    122,977,636.40x = 184,664,068.68 × 81,542,509.76
  4. Step 4: Simplify right side
    122,977,636.40x = 15,057,971,622,660,212
  5. Step 5: Solve for x
    x = 15,057,971,622,660,212/122,977,636.40
  6. Step 6: Final answer
    x = 122,444,796.17

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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.