Home / 303,200,423.64-418,417,845.50-163,971,185.40

Finding the Fourth Proportional to 303,200,423.64, 418,417,845.50 and 163,971,185.40

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Solution

The fourth proportional to 303,200,423.64, 418,417,845.50 and 163,971,185.40 is: 226,280,917.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200,423.64 : 418,417,845.50 = 163,971,185.40 : x
  2. Step 2: Convert to fraction form
    303,200,423.64/418,417,845.50 = 163,971,185.40/x
  3. Step 3: Cross multiply
    303,200,423.64x = 418,417,845.50 × 163,971,185.40
  4. Step 4: Simplify right side
    303,200,423.64x = 68,608,470,119,558,984
  5. Step 5: Solve for x
    x = 68,608,470,119,558,984/303,200,423.64
  6. Step 6: Final answer
    x = 226,280,917.74

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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.