Home / 43,049,048.90-64,543,296.48-19,995,507.08

Finding the Fourth Proportional to 43,049,048.90, 64,543,296.48 and 19,995,507.08

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Solution

The fourth proportional to 43,049,048.90, 64,543,296.48 and 19,995,507.08 is: 29,979,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049,048.90 : 64,543,296.48 = 19,995,507.08 : x
  2. Step 2: Convert to fraction form
    43,049,048.90/64,543,296.48 = 19,995,507.08/x
  3. Step 3: Cross multiply
    43,049,048.90x = 64,543,296.48 × 19,995,507.08
  4. Step 4: Simplify right side
    43,049,048.90x = 1,290,575,941,732,379
  5. Step 5: Solve for x
    x = 1,290,575,941,732,379/43,049,048.90
  6. Step 6: Final answer
    x = 29,979,197.56

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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.