Home / 108,911,743.80-163,367,615.70-108,274,014.60

Finding the Fourth Proportional to 108,911,743.80, 163,367,615.70 and 108,274,014.60

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Solution

The fourth proportional to 108,911,743.80, 163,367,615.70 and 108,274,014.60 is: 162,411,021.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,911,743.80 : 163,367,615.70 = 108,274,014.60 : x
  2. Step 2: Convert to fraction form
    108,911,743.80/163,367,615.70 = 108,274,014.60/x
  3. Step 3: Cross multiply
    108,911,743.80x = 163,367,615.70 × 108,274,014.60
  4. Step 4: Simplify right side
    108,911,743.80x = 17,688,467,607,468,986
  5. Step 5: Solve for x
    x = 17,688,467,607,468,986/108,911,743.80
  6. Step 6: Final answer
    x = 162,411,021.90

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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.