Home / 107,636,028.20-161,322,875.10-55,792,048.80

Finding the Fourth Proportional to 107,636,028.20, 161,322,875.10 and 55,792,048.80

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Solution

The fourth proportional to 107,636,028.20, 161,322,875.10 and 55,792,048.80 is: 83,620,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,636,028.20 : 161,322,875.10 = 55,792,048.80 : x
  2. Step 2: Convert to fraction form
    107,636,028.20/161,322,875.10 = 55,792,048.80/x
  3. Step 3: Cross multiply
    107,636,028.20x = 161,322,875.10 × 55,792,048.80
  4. Step 4: Simplify right side
    107,636,028.20x = 9,000,533,720,135,504
  5. Step 5: Solve for x
    x = 9,000,533,720,135,504/107,636,028.20
  6. Step 6: Final answer
    x = 83,620,084.01

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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.