Home / 152,118,052.80-228,177,079.20-91,651,876.80

Finding the Fourth Proportional to 152,118,052.80, 228,177,079.20 and 91,651,876.80

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Solution

The fourth proportional to 152,118,052.80, 228,177,079.20 and 91,651,876.80 is: 137,477,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,118,052.80 : 228,177,079.20 = 91,651,876.80 : x
  2. Step 2: Convert to fraction form
    152,118,052.80/228,177,079.20 = 91,651,876.80/x
  3. Step 3: Cross multiply
    152,118,052.80x = 228,177,079.20 × 91,651,876.80
  4. Step 4: Simplify right side
    152,118,052.80x = 20,912,857,551,422,240
  5. Step 5: Solve for x
    x = 20,912,857,551,422,240/152,118,052.80
  6. Step 6: Final answer
    x = 137,477,815.20

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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.