Home / 337,003,638.40-505,505,457.60-81,702,006.40

Finding the Fourth Proportional to 337,003,638.40, 505,505,457.60 and 81,702,006.40

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Solution

The fourth proportional to 337,003,638.40, 505,505,457.60 and 81,702,006.40 is: 122,553,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,003,638.40 : 505,505,457.60 = 81,702,006.40 : x
  2. Step 2: Convert to fraction form
    337,003,638.40/505,505,457.60 = 81,702,006.40/x
  3. Step 3: Cross multiply
    337,003,638.40x = 505,505,457.60 × 81,702,006.40
  4. Step 4: Simplify right side
    337,003,638.40x = 41,300,810,132,070,136
  5. Step 5: Solve for x
    x = 41,300,810,132,070,136/337,003,638.40
  6. Step 6: Final answer
    x = 122,553,009.60

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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.