Home / 122,411,221.60-183,616,832.40-83,669,172.70

Finding the Fourth Proportional to 122,411,221.60, 183,616,832.40 and 83,669,172.70

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Solution

The fourth proportional to 122,411,221.60, 183,616,832.40 and 83,669,172.70 is: 125,503,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,411,221.60 : 183,616,832.40 = 83,669,172.70 : x
  2. Step 2: Convert to fraction form
    122,411,221.60/183,616,832.40 = 83,669,172.70/x
  3. Step 3: Cross multiply
    122,411,221.60x = 183,616,832.40 × 83,669,172.70
  4. Step 4: Simplify right side
    122,411,221.60x = 15,363,068,460,702,556
  5. Step 5: Solve for x
    x = 15,363,068,460,702,556/122,411,221.60
  6. Step 6: Final answer
    x = 125,503,759.05

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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.