Home / 216,179,276.88-298,348,700.04-123,373,753.68

Finding the Fourth Proportional to 216,179,276.88, 298,348,700.04 and 123,373,753.68

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Solution

The fourth proportional to 216,179,276.88, 298,348,700.04 and 123,373,753.68 is: 170,267,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,179,276.88 : 298,348,700.04 = 123,373,753.68 : x
  2. Step 2: Convert to fraction form
    216,179,276.88/298,348,700.04 = 123,373,753.68/x
  3. Step 3: Cross multiply
    216,179,276.88x = 298,348,700.04 × 123,373,753.68
  4. Step 4: Simplify right side
    216,179,276.88x = 36,808,399,029,483,168
  5. Step 5: Solve for x
    x = 36,808,399,029,483,168/216,179,276.88
  6. Step 6: Final answer
    x = 170,267,934.84

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1.5x scale

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.