Home / 108,873,341.20-163,310,011.80-72,593,635.60

Finding the Fourth Proportional to 108,873,341.20, 163,310,011.80 and 72,593,635.60

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Solution

The fourth proportional to 108,873,341.20, 163,310,011.80 and 72,593,635.60 is: 108,890,453.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,873,341.20 : 163,310,011.80 = 72,593,635.60 : x
  2. Step 2: Convert to fraction form
    108,873,341.20/163,310,011.80 = 72,593,635.60/x
  3. Step 3: Cross multiply
    108,873,341.20x = 163,310,011.80 × 72,593,635.60
  4. Step 4: Simplify right side
    108,873,341.20x = 11,855,267,486,440,900
  5. Step 5: Solve for x
    x = 11,855,267,486,440,900/108,873,341.20
  6. Step 6: Final answer
    x = 108,890,453.40

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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.