Home / 108,889,361.20-163,334,041.80-84,230,498.80

Finding the Fourth Proportional to 108,889,361.20, 163,334,041.80 and 84,230,498.80

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Solution

The fourth proportional to 108,889,361.20, 163,334,041.80 and 84,230,498.80 is: 126,345,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,361.20 : 163,334,041.80 = 84,230,498.80 : x
  2. Step 2: Convert to fraction form
    108,889,361.20/163,334,041.80 = 84,230,498.80/x
  3. Step 3: Cross multiply
    108,889,361.20x = 163,334,041.80 × 84,230,498.80
  4. Step 4: Simplify right side
    108,889,361.20x = 13,757,707,811,834,050
  5. Step 5: Solve for x
    x = 13,757,707,811,834,050/108,889,361.20
  6. Step 6: Final answer
    x = 126,345,748.20

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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.