Home / 289,422,322.80-399,437,299.80-165,702,741.36

Finding the Fourth Proportional to 289,422,322.80, 399,437,299.80 and 165,702,741.36

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Solution

The fourth proportional to 289,422,322.80, 399,437,299.80 and 165,702,741.36 is: 228,689,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,422,322.80 : 399,437,299.80 = 165,702,741.36 : x
  2. Step 2: Convert to fraction form
    289,422,322.80/399,437,299.80 = 165,702,741.36/x
  3. Step 3: Cross multiply
    289,422,322.80x = 399,437,299.80 × 165,702,741.36
  4. Step 4: Simplify right side
    289,422,322.80x = 66,187,855,578,296,184
  5. Step 5: Solve for x
    x = 66,187,855,578,296,184/289,422,322.80
  6. Step 6: Final answer
    x = 228,689,532.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.