Home / 297,880,650.61-411,079,080.99-163,933,988.92

Finding the Fourth Proportional to 297,880,650.61, 411,079,080.99 and 163,933,988.92

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Solution

The fourth proportional to 297,880,650.61, 411,079,080.99 and 163,933,988.92 is: 226,230,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,880,650.61 : 411,079,080.99 = 163,933,988.92 : x
  2. Step 2: Convert to fraction form
    297,880,650.61/411,079,080.99 = 163,933,988.92/x
  3. Step 3: Cross multiply
    297,880,650.61x = 411,079,080.99 × 163,933,988.92
  4. Step 4: Simplify right side
    297,880,650.61x = 67,389,833,508,258,440
  5. Step 5: Solve for x
    x = 67,389,833,508,258,440/297,880,650.61
  6. Step 6: Final answer
    x = 226,230,986.71

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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.