Home / 118,100,048.20-177,150,072.30-69,528,041.80

Finding the Fourth Proportional to 118,100,048.20, 177,150,072.30 and 69,528,041.80

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Solution

The fourth proportional to 118,100,048.20, 177,150,072.30 and 69,528,041.80 is: 104,292,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,100,048.20 : 177,150,072.30 = 69,528,041.80 : x
  2. Step 2: Convert to fraction form
    118,100,048.20/177,150,072.30 = 69,528,041.80/x
  3. Step 3: Cross multiply
    118,100,048.20x = 177,150,072.30 × 69,528,041.80
  4. Step 4: Simplify right side
    118,100,048.20x = 12,316,897,631,747,422
  5. Step 5: Solve for x
    x = 12,316,897,631,747,422/118,100,048.20
  6. Step 6: Final answer
    x = 104,292,062.70

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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.