Home / 309,709,118.66-427,409,861.49-168,573,522.42

Finding the Fourth Proportional to 309,709,118.66, 427,409,861.49 and 168,573,522.42

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Solution

The fourth proportional to 309,709,118.66, 427,409,861.49 and 168,573,522.42 is: 232,637,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,709,118.66 : 427,409,861.49 = 168,573,522.42 : x
  2. Step 2: Convert to fraction form
    309,709,118.66/427,409,861.49 = 168,573,522.42/x
  3. Step 3: Cross multiply
    309,709,118.66x = 427,409,861.49 × 168,573,522.42
  4. Step 4: Simplify right side
    309,709,118.66x = 72,049,985,867,345,080
  5. Step 5: Solve for x
    x = 72,049,985,867,345,080/309,709,118.66
  6. Step 6: Final answer
    x = 232,637,599.37

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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.