Home / 72,406,234.20-108,614,600.10-43,590,322.20

Finding the Fourth Proportional to 72,406,234.20, 108,614,600.10 and 43,590,322.20

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Solution

The fourth proportional to 72,406,234.20, 108,614,600.10 and 43,590,322.20 is: 65,388,643.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406,234.20 : 108,614,600.10 = 43,590,322.20 : x
  2. Step 2: Convert to fraction form
    72,406,234.20/108,614,600.10 = 43,590,322.20/x
  3. Step 3: Cross multiply
    72,406,234.20x = 108,614,600.10 × 43,590,322.20
  4. Step 4: Simplify right side
    72,406,234.20x = 4,734,545,413,983,152
  5. Step 5: Solve for x
    x = 4,734,545,413,983,152/72,406,234.20
  6. Step 6: Final answer
    x = 65,388,643.21

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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.