Home / 29,049,931.20-43,574,896.80-20,091,979.20

Finding the Fourth Proportional to 29,049,931.20, 43,574,896.80 and 20,091,979.20

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Solution

The fourth proportional to 29,049,931.20, 43,574,896.80 and 20,091,979.20 is: 30,137,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049,931.20 : 43,574,896.80 = 20,091,979.20 : x
  2. Step 2: Convert to fraction form
    29,049,931.20/43,574,896.80 = 20,091,979.20/x
  3. Step 3: Cross multiply
    29,049,931.20x = 43,574,896.80 × 20,091,979.20
  4. Step 4: Simplify right side
    29,049,931.20x = 875,505,920,147,746.50
  5. Step 5: Solve for x
    x = 875,505,920,147,746.50/29,049,931.20
  6. Step 6: Final answer
    x = 30,137,968.80

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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.