Home / 118,095,630.80-177,143,446.20-72,509,608.40

Finding the Fourth Proportional to 118,095,630.80, 177,143,446.20 and 72,509,608.40

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Solution

The fourth proportional to 118,095,630.80, 177,143,446.20 and 72,509,608.40 is: 108,764,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,095,630.80 : 177,143,446.20 = 72,509,608.40 : x
  2. Step 2: Convert to fraction form
    118,095,630.80/177,143,446.20 = 72,509,608.40/x
  3. Step 3: Cross multiply
    118,095,630.80x = 177,143,446.20 × 72,509,608.40
  4. Step 4: Simplify right side
    118,095,630.80x = 12,844,601,914,588,468
  5. Step 5: Solve for x
    x = 12,844,601,914,588,468/118,095,630.80
  6. Step 6: Final answer
    x = 108,764,412.60

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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.