Home / 120,587,033.60-180,812,051.04-82,294,936.64

Finding the Fourth Proportional to 120,587,033.60, 180,812,051.04 and 82,294,936.64

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Solution

The fourth proportional to 120,587,033.60, 180,812,051.04 and 82,294,936.64 is: 123,395,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,587,033.60 : 180,812,051.04 = 82,294,936.64 : x
  2. Step 2: Convert to fraction form
    120,587,033.60/180,812,051.04 = 82,294,936.64/x
  3. Step 3: Cross multiply
    120,587,033.60x = 180,812,051.04 × 82,294,936.64
  4. Step 4: Simplify right side
    120,587,033.60x = 14,879,916,284,085,246
  5. Step 5: Solve for x
    x = 14,879,916,284,085,246/120,587,033.60
  6. Step 6: Final answer
    x = 123,395,657.39

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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.