Home / 118,725,323.20-177,984,304.80-45,991,729.60

Finding the Fourth Proportional to 118,725,323.20, 177,984,304.80 and 45,991,729.60

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Solution

The fourth proportional to 118,725,323.20, 177,984,304.80 and 45,991,729.60 is: 68,947,430.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,725,323.20 : 177,984,304.80 = 45,991,729.60 : x
  2. Step 2: Convert to fraction form
    118,725,323.20/177,984,304.80 = 45,991,729.60/x
  3. Step 3: Cross multiply
    118,725,323.20x = 177,984,304.80 × 45,991,729.60
  4. Step 4: Simplify right side
    118,725,323.20x = 8,185,806,019,405,583
  5. Step 5: Solve for x
    x = 8,185,806,019,405,583/118,725,323.20
  6. Step 6: Final answer
    x = 68,947,430.92

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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.