Home / 129,456,002.40-194,184,003.60-118,370,536.80

Finding the Fourth Proportional to 129,456,002.40, 194,184,003.60 and 118,370,536.80

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Solution

The fourth proportional to 129,456,002.40, 194,184,003.60 and 118,370,536.80 is: 177,555,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,456,002.40 : 194,184,003.60 = 118,370,536.80 : x
  2. Step 2: Convert to fraction form
    129,456,002.40/194,184,003.60 = 118,370,536.80/x
  3. Step 3: Cross multiply
    129,456,002.40x = 194,184,003.60 × 118,370,536.80
  4. Step 4: Simplify right side
    129,456,002.40x = 22,985,664,744,105,132
  5. Step 5: Solve for x
    x = 22,985,664,744,105,132/129,456,002.40
  6. Step 6: Final answer
    x = 177,555,805.20

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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.