Home / 83,623,218.20-125,434,827.30-66,404,529.80

Finding the Fourth Proportional to 83,623,218.20, 125,434,827.30 and 66,404,529.80

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Solution

The fourth proportional to 83,623,218.20, 125,434,827.30 and 66,404,529.80 is: 99,606,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623,218.20 : 125,434,827.30 = 66,404,529.80 : x
  2. Step 2: Convert to fraction form
    83,623,218.20/125,434,827.30 = 66,404,529.80/x
  3. Step 3: Cross multiply
    83,623,218.20x = 125,434,827.30 × 66,404,529.80
  4. Step 4: Simplify right side
    83,623,218.20x = 8,329,440,727,400,703
  5. Step 5: Solve for x
    x = 8,329,440,727,400,703/83,623,218.20
  6. Step 6: Final answer
    x = 99,606,794.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.