Home / 49,005,310.80-73,507,966.20-20,307,496.80

Finding the Fourth Proportional to 49,005,310.80, 73,507,966.20 and 20,307,496.80

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Solution

The fourth proportional to 49,005,310.80, 73,507,966.20 and 20,307,496.80 is: 30,461,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005,310.80 : 73,507,966.20 = 20,307,496.80 : x
  2. Step 2: Convert to fraction form
    49,005,310.80/73,507,966.20 = 20,307,496.80/x
  3. Step 3: Cross multiply
    49,005,310.80x = 73,507,966.20 × 20,307,496.80
  4. Step 4: Simplify right side
    49,005,310.80x = 1,492,762,788,381,008.25
  5. Step 5: Solve for x
    x = 1,492,762,788,381,008.25/49,005,310.80
  6. Step 6: Final answer
    x = 30,461,245.20

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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.