Home / 43,049,041.91-64,543,285.97-19,995,500.08

Finding the Fourth Proportional to 43,049,041.91, 64,543,285.97 and 19,995,500.08

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Solution

The fourth proportional to 43,049,041.91, 64,543,285.97 and 19,995,500.08 is: 29,979,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,049,041.91 : 64,543,285.97 = 19,995,500.08 : x
  2. Step 2: Convert to fraction form
    43,049,041.91/64,543,285.97 = 19,995,500.08/x
  3. Step 3: Cross multiply
    43,049,041.91x = 64,543,285.97 × 19,995,500.08
  4. Step 4: Simplify right side
    43,049,041.91x = 1,290,575,279,776,597.75
  5. Step 5: Solve for x
    x = 1,290,575,279,776,597.75/43,049,041.91
  6. Step 6: Final answer
    x = 29,979,187.05

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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.