Home / 108,809,079.20-163,213,618.80-84,150,216.80

Finding the Fourth Proportional to 108,809,079.20, 163,213,618.80 and 84,150,216.80

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Solution

The fourth proportional to 108,809,079.20, 163,213,618.80 and 84,150,216.80 is: 126,225,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,809,079.20 : 163,213,618.80 = 84,150,216.80 : x
  2. Step 2: Convert to fraction form
    108,809,079.20/163,213,618.80 = 84,150,216.80/x
  3. Step 3: Cross multiply
    108,809,079.20x = 163,213,618.80 × 84,150,216.80
  4. Step 4: Simplify right side
    108,809,079.20x = 13,734,461,406,732,556
  5. Step 5: Solve for x
    x = 13,734,461,406,732,556/108,809,079.20
  6. Step 6: Final answer
    x = 126,225,325.20

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1.5x scale

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.