Home / 118,315,468.80-177,473,203.20-112,343,500.80

Finding the Fourth Proportional to 118,315,468.80, 177,473,203.20 and 112,343,500.80

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Solution

The fourth proportional to 118,315,468.80, 177,473,203.20 and 112,343,500.80 is: 168,515,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,315,468.80 : 177,473,203.20 = 112,343,500.80 : x
  2. Step 2: Convert to fraction form
    118,315,468.80/177,473,203.20 = 112,343,500.80/x
  3. Step 3: Cross multiply
    118,315,468.80x = 177,473,203.20 × 112,343,500.80
  4. Step 4: Simplify right side
    118,315,468.80x = 19,937,960,945,677,760
  5. Step 5: Solve for x
    x = 19,937,960,945,677,760/118,315,468.80
  6. Step 6: Final answer
    x = 168,515,251.20

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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.