Home / 128,305,630.40-192,458,445.60-37,417,409.60

Finding the Fourth Proportional to 128,305,630.40, 192,458,445.60 and 37,417,409.60

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Solution

The fourth proportional to 128,305,630.40, 192,458,445.60 and 37,417,409.60 is: 56,126,114.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,305,630.40 : 192,458,445.60 = 37,417,409.60 : x
  2. Step 2: Convert to fraction form
    128,305,630.40/192,458,445.60 = 37,417,409.60/x
  3. Step 3: Cross multiply
    128,305,630.40x = 192,458,445.60 × 37,417,409.60
  4. Step 4: Simplify right side
    128,305,630.40x = 7,201,296,489,994,518
  5. Step 5: Solve for x
    x = 7,201,296,489,994,518/128,305,630.40
  6. Step 6: Final answer
    x = 56,126,114.40

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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.