Home / 83,623,243.20-125,434,864.80-66,404,554.80

Finding the Fourth Proportional to 83,623,243.20, 125,434,864.80 and 66,404,554.80

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Solution

The fourth proportional to 83,623,243.20, 125,434,864.80 and 66,404,554.80 is: 99,606,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,623,243.20 : 125,434,864.80 = 66,404,554.80 : x
  2. Step 2: Convert to fraction form
    83,623,243.20/125,434,864.80 = 66,404,554.80/x
  3. Step 3: Cross multiply
    83,623,243.20x = 125,434,864.80 × 66,404,554.80
  4. Step 4: Simplify right side
    83,623,243.20x = 8,329,446,353,442,190
  5. Step 5: Solve for x
    x = 8,329,446,353,442,190/83,623,243.20
  6. Step 6: Final answer
    x = 99,606,832.20

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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.