Home / 30,576,080.80-45,864,121.20-28,237,740.40

Finding the Fourth Proportional to 30,576,080.80, 45,864,121.20 and 28,237,740.40

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Solution

The fourth proportional to 30,576,080.80, 45,864,121.20 and 28,237,740.40 is: 42,356,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,576,080.80 : 45,864,121.20 = 28,237,740.40 : x
  2. Step 2: Convert to fraction form
    30,576,080.80/45,864,121.20 = 28,237,740.40/x
  3. Step 3: Cross multiply
    30,576,080.80x = 45,864,121.20 × 28,237,740.40
  4. Step 4: Simplify right side
    30,576,080.80x = 1,295,099,148,119,736.50
  5. Step 5: Solve for x
    x = 1,295,099,148,119,736.50/30,576,080.80
  6. Step 6: Final answer
    x = 42,356,610.60

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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.